US2889733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut with "teflon" insert
Assignee: Resistoflex Corp
•
Filing: 1956-03-19
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Granted: 1959-06-09
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Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Alton S Vanderhoof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:41
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; F16B33/00; F16B33/004; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S285/00; Y10S285/91; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1868037A
Cited
US2017154A
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US2080850A
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US2351057A
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US2389377A
Cited
GB586818A
Cited
US2502642A
Cited
US2506069A
Cited
US2520121A
Cited
US2781552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |