US2144350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening means
Assignee: Elastic Stop Nut Corp
•
Filing: 1935-06-27
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Granted: 1939-01-17
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Expires: 1955-06-27
Abstract
No abstract record available.
Inventors
- 👤 Carl A Swanstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:05
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/045; F16B37/06; F16B37/062; F16B37/064; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947; Y10S411/955; Y10S411/965; Y10S411/966; Y10S411/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-01-16 | 1942-07-18 | 1943-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-16 | 1946-07-18 | 1947-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-16 | 1950-07-18 | 1951-01-17 | $7700.00 | Window Closed / Lapsed |