Patent US2984884A successfully refreshed from Google Patents.
US2984884A
Expired / Lapsed
US
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Stressed panel fastener
Assignee: Aerpat AG
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Filing: 1958-06-09
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Granted: 1961-05-23
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Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 David Z Chapman
- 👤 Gose B Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:23
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C1/12; F; F16; F16B; F16B2/00; F16B2/02; F16B2/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1522139A
Cited
FR618812A
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FR36853E
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US1798796A
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US1777349A
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US2472651A
Cited
FR897080A
Cited
US2480662A
Cited
US2562459A
Cited
US2758625A
Cited
US2817135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |