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US3479046A
Expired / Lapsed
US
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All-seasons sled
Assignee: RAY N THOMPSON
•
Filing: 1967-08-07
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Granted: 1969-11-18
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Expires: 1987-08-07
Abstract
No abstract record available.
Inventors
- 👤 Ray N Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:52
CPC Classifications
B; B62; B62B; B62B15/00; B63; B63B; B63B34/00; B63B34/50; B63B34/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187437A
Cited
US2829902A
Cited
US2927799A
Cited
AT218879B
Cited
US3135978A
Cited
US3319972A
Cited
US3374003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |