Patent US2879820A successfully refreshed from Google Patents.
US2879820A
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Narrow gang channel support and positioning means for securing nuts
Assignee: BOOTS AIRCRAFT NUT Corp
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Filing: 1955-05-31
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Granted: 1959-03-31
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Trzcinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:30
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; F; F16; F16B; F16B37/00; F16B37/04; F16B37/044; F16B37/045; B64C2001/0054; B64C2001/0081; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/966
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |