US3429582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sled convertible into wagon and other devices
Assignee: Individual
•
Filing: 1967-09-11
•
Granted: 1969-02-25
•
Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Louise Embry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:36
CPC Classifications
B; B62; B62B; B62B13/00; B62B13/18; B62B13/16; B62B2205/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US412866A
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US474641A
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US863358A
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US1075336A
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US1728587A
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CH214069A
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FR1002292A
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US2468271A
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US2577459A
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US2595839A
Cited
US2518032A
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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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |