Patent US2478973A successfully refreshed from Google Patents.
US3135978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic cushion coaster slide
Assignee: Individual
•
Filing: 1962-07-16
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Granted: 1964-06-09
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Albert C Grasmoen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:28
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PNEUMATIC CUSHION COASTER SLIDE INCLUDING A CONVENTIONAL PNEUMATIC AUTOMOBILE TIRE TUBE, A PAIR OF STRAPS, EACH ADAPTED TO BE LOOPED AND THE ENDS SECURED FLAT TO THE TOP OF THE TUBE, ONE STRAP ON EACH SIDE OF THE TUBE A SHEET, THE PERIMETER OF WHICH IS SUPERIMPOSED ON THE TOP OF THE TUBE AND THE ENDS OF SAID STRAPS AND VULCANIZED TO TUBE AND STRAP ENDS, FOR FIXEDLY SECURING THE SHEET, TUBE AND STRAP ENDS, LEAVING THE LOOPS OF THE STRAPS FREE TO SERVE AS HANDLES, THE INTERMEDIATE PART OF THE SHEET SAGGING INTO THE OPENING, CIRCUMSCRIBED BY THE TUBE, TO PROVIDE A BUCKET LIKE PASSENGER SEAT, THE BOTTOM OF WHICH SEAT IS HELD WELL ABOVE THE COASTING SURFACE TO HOLD THE PORTION OF THE BODY OF THE PASSENGER IN THE SEAT, ELEVATED ABOVE SAID SURFACE, DURING THE PASSENGER''S ITINERARY, WHILE COASTING.
Claim 2
Dependent Claim
143 words
A PNEUMATIC CUSHION COASTER SLIDE INCLUDING A CONVENTIONAL PNEUMATIC AUTOMOBILE TIRE TUBE, A PAIR OF STRAPS, EACH ADAPTED TO BE LOOPED AND THE ENDS SECURED FLAT TO THE TOP OF THE TUBE, ONE STRAP ON EACH SIDE OF THE TUBE A SHEET, THE PERIMETER OF WHICH IS SUPERIMPOSED ON THE TOP OF THE TUBE AND THE ENDS OF SAID STRAPS AND VULCANIZED TO TUBE AND STRAP ENDS, FOR FIXEDLY SECURING THE SHEET, TUBE AND STRAP ENDS, LEAVING THE LOOPS OF THE STRAPS FREE TO SERVE AS HANDLES, THE INTERMEDIATE PART OF THE SHEET SAGGING INTO THE OPENING, CIRCUMSCRIBED BY THE TUBE, TO PROVIDE A BUCKET LIKE PASSENGER SEAT, THE BOTTOM OF WHICH SEAT IS HELD WELL ABOVE THE COASTING SURFACE TO HOLD THE PORTION OF THE BODY OF THE PASSENGER IN THE SEAT, ELEVATED ABOVE SAID SURFACE, DURING THE PASSENGER''S ITINERARY, WHILE COASTING.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |