US2869607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow-adjusting screw having radially projecting thread locking portions
Assignee: NAT MACHINE PRODUCTS Co
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Filing: 1956-02-14
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Granted: 1959-01-20
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Expires: 1976-02-14
Abstract
No abstract record available.
Inventors
- 👤 Adolf A Widmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
G; G05; G05G; G05G23/00; C; C21; C21D; C21D9/00; C21D9/0093; F; F01; F01L; F01L1/00; F01L1/20; G05G2700/00; G05G2700/02; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |