US2680576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reel
Assignee: MASTER RULE Manufacturing CO Inc
•
Filing: 1950-08-11
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Granted: 1954-06-08
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Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence D Nykwest
- 👤 Stein Fritz Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:42
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/10; G01B3/1005; G01B3/1007; G01B2003/1015; G01B2003/1033; G01B2003/1038; G01B3/1041; G01B3/1043
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |