US3386456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable shelter
Assignee: Patent Management Inc
•
Filing: 1965-11-16
•
Granted: 1968-06-04
•
Expires: 1985-11-16
Abstract
No abstract record available.
Inventors
- 👤 Robert O Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:12
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/003; E04H15/32; E04H15/34; E04H15/36; E04H15/38; Y; Y10; Y10S; Y10S135/00; Y10S135/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A FRAME FOR A PORTABLE SHELTER COMPRISING FIRST AND SECOND OPPOSITE ENDS, EACH END COMPRISING A PLATE AND AT LEAST THREE ELONGATED LEGS HAVING FIRST AND SECOND ENDS, MEANS PIVOTALLY COUPLING SAID FIRST ENDS TO SAID PLATE FOR PERMITTING SAID SECOND ENDS TO OCCUPY EITHER A CLOSE COLLAPSED, OR AN ANGULARLY SPACED OPEN RELATIONSHIP RELATIVE TO EACH OTHER, A SPIKE COUPLED TO A LEG OF EACH SAID END TO PERMIT SAID SPIKES TO BE DRIVEN INTO THE GROUND OR PERMITTING SAID SPIKES TO OCCUPY A POSITION PARALLEL TO SAID LEGS WHEN SAID ENDS ARE COLLAPSED, RELEASIBLE MEANS COUPLED TO SAID LEGS FOR SELECTIVELY RETAINING SAID LEGS IN EQUALLY SPACED ANGULAR RELATIONSHIP RELATIVE TO EACH OTHER, AND AT LEAST SIX INTERCHANGEABLE RIBS FOR COUPLING SAID ENDS TOGETHER, SAID RIBS BEING SYMMETRICALLY CURVED AND INCLUDING COUPLING MEANS OF EACH END FOR MATING WITH AN ADJACENT RIB OR LEG.
Claim 2
Dependent Claim
146 words
A FRAME FOR A PORTABLE SHELTER COMPRISING FIRST AND SECOND OPPOSITE ENDS, EACH END COMPRISING A PLATE AND AT LEAST THREE ELONGATED LEGS HAVING FIRST AND SECOND ENDS, MEANS PIVOTALLY COUPLING SAID FIRST ENDS TO SAID PLATE FOR PERMITTING SAID SECOND ENDS TO OCCUPY EITHER A CLOSE COLLAPSED, OR AN ANGULARLY SPACED OPEN RELATIONSHIP RELATIVE TO EACH OTHER, A SPIKE COUPLED TO A LEG OF EACH SAID END TO PERMIT SAID SPIKES TO BE DRIVEN INTO THE GROUND OR PERMITTING SAID SPIKES TO OCCUPY A POSITION PARALLEL TO SAID LEGS WHEN SAID ENDS ARE COLLAPSED, RELEASIBLE MEANS COUPLED TO SAID LEGS FOR SELECTIVELY RETAINING SAID LEGS IN EQUALLY SPACED ANGULAR RELATIONSHIP RELATIVE TO EACH OTHER, AND AT LEAST SIX INTERCHANGEABLE RIBS FOR COUPLING SAID ENDS TOGETHER, SAID RIBS BEING SYMMETRICALLY CURVED AND INCLUDING COUPLING MEANS OF EACH END FOR MATING WITH AN ADJACENT RIB OR LEG.
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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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |