US3434558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible self-powered vehicle structure
Assignee: Individual
•
Filing: 1966-11-28
•
Granted: 1969-03-25
•
Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 John F Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:41
CPC Classifications
B; B62; B62D; B62D61/00; B62D61/06; B62D61/08; B62D51/00; B62D51/02; B62K; B62K11/00; B62K11/12; B62K3/00; B62K3/002; B62K5/00; B62K5/02; B62K5/027; B62M; B62M7/00; B62M7/10; B62K2005/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658068A
Cited
US1838877A
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US2771145A
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US2919758A
Cited
US3043389A
Cited
US3099326A
Cited
US3229782A
Cited
US3354975A
Cited
US3388761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |