US2841850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: AEROPHYSICS DEV CORP
•
Filing: 1954-07-26
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Granted: 1958-07-08
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Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Adam T Zahorski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:26
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/10; A44B19/14; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10S24/40; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/45225; Y10T24/45602; Y10T24/45607; Y10T24/45958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2035674A
Cited
US2025021A
Cited
US2371639A
Cited
US2629911A
Cited
US2613421A
Cited
FR1067224A
Cited
US2772469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |