US2884937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Standpipe propellant tank
Assignee: Individual
•
Filing: 1956-11-16
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Granted: 1959-05-05
•
Expires: 1976-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry S Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:32
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/50; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; B64D37/22; B64G; B64G1/00; B64G1/22; B64G1/40; B64G1/402; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0777; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |