US2933340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute release coupling
Assignee: Individual
•
Filing: 1957-04-10
•
Granted: 1960-04-19
•
Expires: 1977-04-10
Abstract
No abstract record available.
Inventors
- 👤 Neil H Mcdiarmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:03
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38; B64D17/383; Y; Y10; Y10S; Y10S285/00; Y10S285/92; Y10T; Y10T403/00; Y10T403/57; Y10T403/5793; Y10T403/60; Y10T403/602; Y10T403/608
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |