US2483027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed, jet-propelled bomber airplane
Assignee: Glenn L Martin Co
•
Filing: 1948-05-07
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Granted: 1949-09-27
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Expires: 1968-05-07
Abstract
No abstract record available.
Inventors
- 👤 Willem D Van Zelm
- 👤 Hill Thomas Gardner
- 👤 George R Welden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:24
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/04
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) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |