US3439935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fifth wheel tractor
Assignee: WALTER W GUIDICE
•
Filing: 1967-03-20
•
Granted: 1969-04-22
•
Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Walter W Guidice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:26
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0871; B62D53/0878; B62D53/0807; B62D53/0814
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2294710A
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US2468705A
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US2736573A
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US2853312A
Cited
US2847230A
Cited
US2996312A
Cited
US3031205A
Cited
US3092399A
Cited
US3227470A
Cited
US3363914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |