US3219243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back pack
Assignee: Individual
•
Filing: 1964-01-29
•
Granted: 1965-11-23
•
Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Richard G Mack
- 👤 Way Franciscan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PACK FRAME HAVING REMOVABLY ATTACHED HORIZONTAL TRANSVERSE STRUCTURE FOR FASTENING AND CARRYING A PACK THEREON, IN COMBINATION AN ELONGATED U-SHAPED UNBROKEN TUBULAR FRAME OPEN AT THE BOTTOM, FITTINGS SLIDABLY AND ADJUSTABLY MOUNTED ON SAID TUBULAR FRAME, SAID FITTINGS HAVING MEANS FOR REMOVABLY ATTACHING TRANSVERSE SUPPORT STRUCTURE THERETO, TRANSVERSE HORIZONTAL SUPPORTS REMOV-
Claim 2
Dependent Claim
53 words
IN A PACK FRAME HAVING REMOVABLY ATTACHED HORIZONTAL TRANSVERSE STRUCTURE FOR FASTENING AND CARRYING A PACK THEREON, IN COMBINATION AN ELONGATED U-SHAPED UNBROKEN TUBULAR FRAME OPEN AT THE BOTTOM, FITTINGS SLIDABLY AND ADJUSTABLY MOUNTED ON SAID TUBULAR FRAME, SAID FITTINGS HAVING MEANS FOR REMOVABLY ATTACHING TRANSVERSE SUPPORT STRUCTURE THERETO, TRANSVERSE HORIZONTAL SUPPORTS REMOV-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |