US2648134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micrometer gauge
Assignee: Ammco Tools Inc
•
Filing: 1950-08-02
•
Granted: 1953-08-11
•
Expires: 1970-08-02
Abstract
No abstract record available.
Inventors
- 👤 Billeter Henry Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:26
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US597335A
Cited
DE81263C
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US682450A
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US1157800A
Cited
US1288034A
Cited
US2268354A
Cited
US2274275A
Cited
US2509236A
Cited
US2553525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |