US3463108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious vehicle
Assignee: ROBERT E NEUMEIER
•
Filing: 1968-05-22
•
Granted: 1969-08-26
•
Expires: 1988-05-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Neumeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:00
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/32; B63B1/322; B60; B60F; B60F3/00; B60V; B60V1/00; B60V1/22; B63B1/16; B63B1/18; B63B1/22; B63G; B63G8/00; B63G8/001; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3038431A
Cited
US3204596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |