US3429222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive means for cupola of tank vehicle
Assignee: Vapor Corp
•
Filing: 1968-04-08
•
Granted: 1969-02-25
•
Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Donald H Whiston
- 👤 Edward J Flannery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:54
CPC Classifications
F; F41; F41A; F41A27/00; F41A27/06; F41A27/18; F41A27/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1185326A
Cited
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 |