US2581690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking thread structure
Assignee: Individual
•
Filing: 1949-11-30
•
Granted: 1952-01-08
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Moehle Walter
- 👤 Jr Walter Moehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/30; F16B33/00; F16B33/02; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US271852A
Cited
US341145A
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US597000A
Cited
US658085A
Cited
US1451484A
Cited
US2301181A
Cited
US2437638A
Cited
US2371365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |