Patent US2749066A successfully refreshed from Google Patents.
US2749066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aid to packing, deployment, and initial inflation of parachutes
Assignee: Individual
•
Filing: 1954-01-26
•
Granted: 1956-06-05
•
Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Richard W Barnes
- 👤 George A Zelinskas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:47
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/40; B64D17/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB350265A
Cited
US1811050A
Cited
US2337168A
Cited
US2495341A
Cited
US2583905A
Cited
US2663525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |