US3046908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for facilitating the loading and unloading of passengers and cargo
Assignee: LOCKHEED AIR TERMINAL Inc
•
Filing: 1959-08-31
•
Granted: 1962-07-31
•
Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Yuen Frank Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:41
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/30; B64F1/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US485708A
Cited
US1305415A
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US1315840A
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US1455390A
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US1961753A
Cited
US2042765A
Cited
US2700169A
Cited
US2689965A
Cited
US2688761A
Cited
US2778674A
Cited
US2750135A
Cited
US2949864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |