US3486719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airship
Assignee: Aereon Corp
•
Filing: 1967-12-04
•
Granted: 1969-12-30
•
Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 John R Fitzpatrick
- 👤 Juergen K Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:14
CPC Classifications
B; B64; B64D; B64D9/00; B64B; B64B1/00; B64B1/06; B64B1/20; B64C; B64C3/00; B64C3/30; B64C39/00; B64C39/10; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1763835A
Cited
US1844765A
Cited
US1826076A
Cited
US2073297A
Cited
US1981856A
Cited
US2529908A
Cited
US2778585A
Cited
US3270895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |