US3874398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight portable ice fishing shelter frame
Assignee: Individual
•
Filing: 1973-06-21
•
Granted: 1975-04-01
•
Expires: 1993-06-21
Abstract
Abstract A lightweight portable ice fishing shelter frame for supporting a canvas shelter in a position to permit the occupant to fish through the ice without undue exposure to the elements. The frame consists of a plurality of tubular elements pivotally secured together so as to fold into an extremely compact bundle. The tubes when open support a rectangular shelter suspended internally of the frame.
Inventors
- 👤 Richard E Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:38
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/34; E04H15/42; E04H15/001; Y; Y10; Y10S; Y10S135/00; Y10S135/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
242 words
A lightweight portable ice fishing shelter frame erectable to form a generally rectangular box like frame and foldable into compact form, said frame comprising a pair of closely spaced parallel plates on each side of said frame, a pair of downwardly diverging straight tubular side frame members pivotally secured at one end between said plates on each side of said frame, a pair of upwardly diverging straight tubular side frame members pivotally secured at one end between said plates on each side of said frame, a hinge secured to each of said side frame members at the end thereof opposite said plates, a pair of spaced parallel tubular straight base frame members each having its opposite ends secured to adjacent hinges on the downwardly diveraging side frame members on opposite sides of said frame, a pair of spaced parallel tubular straight header frame members each having its opposite end secured to adjacent hinges on the upwardly diverging side frame members on opposite sides of said frame, a folding brace pivotally connected at its opposite ends centrally to said header frame members, said hinges being semi-tubular in form to permit said frame members to swing to parallel relation to each other, said frame members being foldable so that each of said side frame members, said base frame members and said header frame members extend parallel to each other, and means on said frame for supporting a generally rectangular fishing shelter within said frame.
Claim 2
Dependent Claim
242 words
A lightweight portable ice fishing shelter frame erectable to form a generally rectangular box like frame and foldable into compact form, said frame comprising a pair of closely spaced parallel plates on each side of said frame, a pair of downwardly diverging straight tubular side frame members pivotally secured at one end between said plates on each side of said frame, a pair of upwardly diverging straight tubular side frame members pivotally secured at one end between said plates on each side of said frame, a hinge secured to each of said side frame members at the end thereof opposite said plates, a pair of spaced parallel tubular straight base frame members each having its opposite ends secured to adjacent hinges on the downwardly diveraging side frame members on opposite sides of said frame, a pair of spaced parallel tubular straight header frame members each having its opposite end secured to adjacent hinges on the upwardly diverging side frame members on opposite sides of said frame, a folding brace pivotally connected at its opposite ends centrally to said header frame members, said hinges being semi-tubular in form to permit said frame members to swing to parallel relation to each other, said frame members being foldable so that each of said side frame members, said base frame members and said header frame members extend parallel to each other, and means on said frame for supporting a generally rectangular fishing shelter within said frame.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-31 | 1978-09-30 | 1979-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-31 | 1982-09-30 | 1983-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-31 | 1986-09-30 | 1987-04-01 | $7700.00 | Window Closed / Lapsed |