US2501130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge for checking external dimensions of circular work
Assignee: Individual
•
Filing: 1945-03-31
•
Granted: 1950-03-21
•
Expires: 1965-03-31
Abstract
No abstract record available.
Inventors
- 👤 Fred W Kuppersmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/34; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1547514A
Cited
GB341365A
Cited
US1985576A
Cited
US2027217A
Cited
US2341679A
Cited
US2306469A
Cited
US2357569A
Cited
GB555893A
Cited
US2397494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |