US2805875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking mechanical coupling assembly
Assignee: Interlock Corp
•
Filing: 1953-09-08
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Granted: 1957-09-10
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Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Henry J Modrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:07
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/109; Y; Y10; Y10S; Y10S411/00; Y10S411/999; Y10T; Y10T403/00; Y10T403/20; Y10T403/57; Y10T403/5721; Y10T403/59; Y10T403/599; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194309A
Cited
US862236A
Cited
US1104765A
Cited
US1273873A
Cited
US1601024A
Cited
US2427297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |