Patent US1823318A successfully refreshed from Google Patents.
Patent US3283733A successfully refreshed from Google Patents.
US3283733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable and collapsible sportsman's seat
Assignee: Individual
•
Filing: 1965-07-19
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Granted: 1966-11-08
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 John C Boerma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:44
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/44; A01; A01M; A01M31/00; A01M31/02; A47; A47C; A47C9/00; A47C9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A COLLAPSIBLE, PORTABLE SEATING MEANS FOR SPORTSMEN AND THE LIKE, COMPRISING IN COMBINATION: A GENERALLY FLAT SEAT PLATFORM; MEANS FORMING A GENERALLY CYLINDRICAL BEARING RECESS IN ONE OF THE UNDERSIDE OF SAID SEAT PLATFORM OR IN THE TOP OF SAID UPRIGHT SUPPORT MEMBER; A SINGLE UPRIGHT SUPPORT MEMBER; THE OTHER ONE OF SAID SEAT PLATFORM OR UPRIGHT SUPPORT MEMBER HAVING A GENERALLY CYLINDRICAL PROTRUSION; SAID PROTRUSION BEING RECEIVABLE WITHIN SAID BEARING RECESS TO ROTATABLY AND REMOVABLY MOUNT SAID SEAT UPON SAID SUPPORT; AND SAID UPRIGHT SUPPORT MEMBER HAVING A LOWER EXTREMITY FORMED TO PENETRATE INTO THE EARTH TO RETAIN THE SUPPORT IN A DESIRED PLACEMENT THEREUPON; SHOULDER MEANS ATTACHED TO SAID SUPPORT A PREDETERMINED DISTANCE ABOVE SAID POINT EXTREMITY TO ABUTTINGLY CONTACT THE EARTH AND LIMIT THE PENETRATION OF SAID SUPPORT THEREINTO; AND ELONGATED FLEXIBLE MEMBER SECURED TO SAID SEAT PLATFORM AND SAID UPRIGHT SUPPORT MEMBER FOR COUPLING THEM TOGETHER EVEN WHEN DETACHED AT SAID BEARING RECESS THEREBY FACILITATING THE CARRYING THEREOF ON THE SHOULDER OF A PERSON BY SLINGING SAID ELONGATED FLEXIBLE MEMBER THEREOVER.
Claim 2
Dependent Claim
175 words
A COLLAPSIBLE, PORTABLE SEATING MEANS FOR SPORTSMEN AND THE LIKE, COMPRISING IN COMBINATION: A GENERALLY FLAT SEAT PLATFORM; MEANS FORMING A GENERALLY CYLINDRICAL BEARING RECESS IN ONE OF THE UNDERSIDE OF SAID SEAT PLATFORM OR IN THE TOP OF SAID UPRIGHT SUPPORT MEMBER; A SINGLE UPRIGHT SUPPORT MEMBER; THE OTHER ONE OF SAID SEAT PLATFORM OR UPRIGHT SUPPORT MEMBER HAVING A GENERALLY CYLINDRICAL PROTRUSION; SAID PROTRUSION BEING RECEIVABLE WITHIN SAID BEARING RECESS TO ROTATABLY AND REMOVABLY MOUNT SAID SEAT UPON SAID SUPPORT; AND SAID UPRIGHT SUPPORT MEMBER HAVING A LOWER EXTREMITY FORMED TO PENETRATE INTO THE EARTH TO RETAIN THE SUPPORT IN A DESIRED PLACEMENT THEREUPON; SHOULDER MEANS ATTACHED TO SAID SUPPORT A PREDETERMINED DISTANCE ABOVE SAID POINT EXTREMITY TO ABUTTINGLY CONTACT THE EARTH AND LIMIT THE PENETRATION OF SAID SUPPORT THEREINTO; AND ELONGATED FLEXIBLE MEMBER SECURED TO SAID SEAT PLATFORM AND SAID UPRIGHT SUPPORT MEMBER FOR COUPLING THEM TOGETHER EVEN WHEN DETACHED AT SAID BEARING RECESS THEREBY FACILITATING THE CARRYING THEREOF ON THE SHOULDER OF A PERSON BY SLINGING SAID ELONGATED FLEXIBLE MEMBER THEREOVER.
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |