US2942612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid storage tank
Assignee: United Aircraft Products Inc
•
Filing: 1959-05-21
•
Granted: 1960-06-28
•
Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter C Klank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:19
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; B64D37/22; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1180482A
Cited
US2194348A
Cited
US2343663A
Cited
US2774365A
Cited
US2889843A
Cited
US2874712A
Cited
US2800975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |