Patent US1458848A successfully refreshed from Google Patents.
Patent US3319972A successfully refreshed from Google Patents.
US3319972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible sled
Assignee: Individual
•
Filing: 1964-12-09
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Granted: 1967-05-16
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Gallaher Farrell Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:06
CPC Classifications
B; B62; B62B; B62B13/00; B62B13/16; B62B15/00; B62B15/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A COLLAPSIBLE SLED COMPRISING A HEAD SECTION OF A STIFF SHEET MATERIAL WITH AN UPWARDLY CURVED NOSE AND A SUBSTANTIALLY FLAT BED EXTENDING LONGITUDINALLY FOR A PORTION OF THE LENGTH OF SAID SLED, AND AN INFLATABLE LOAD-SUPPORTING SECTION COMPRISING A SUBSTANTIALLY FLAT CASING FORMED OF A FLEXIBLE, GAS-IMPERMEABLE MATERIAL HAVING A BOTTOM SURFACE OF A MOISTURE AND ABRASION RESISTANT MATERIAL, SAID LOAD-SUPPORTING SECTION BEING ATTACHED TO SAID HEAD SECTION AND EXTENDING REARWARDLY FROM SAID FLAT BED.
Claim 2
Dependent Claim
76 words
A COLLAPSIBLE SLED COMPRISING A HEAD SECTION OF A STIFF SHEET MATERIAL WITH AN UPWARDLY CURVED NOSE AND A SUBSTANTIALLY FLAT BED EXTENDING LONGITUDINALLY FOR A PORTION OF THE LENGTH OF SAID SLED, AND AN INFLATABLE LOAD-SUPPORTING SECTION COMPRISING A SUBSTANTIALLY FLAT CASING FORMED OF A FLEXIBLE, GAS-IMPERMEABLE MATERIAL HAVING A BOTTOM SURFACE OF A MOISTURE AND ABRASION RESISTANT MATERIAL, SAID LOAD-SUPPORTING SECTION BEING ATTACHED TO SAID HEAD SECTION AND EXTENDING REARWARDLY FROM SAID FLAT BED.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |