Patent US2876550A successfully refreshed from Google Patents.
US2876550A
Expired / Lapsed
US
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Gage for checking internal and external dimensions
Assignee: ELLSTROM Inc
•
Filing: 1956-01-27
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Granted: 1959-03-10
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Expires: 1976-01-27
Abstract
No abstract record available.
Inventors
- 👤 Tomkow Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:34
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US536676A
Cited
US869578A
Cited
US1634156A
Cited
US2032856A
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US1972124A
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US2138411A
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US2170747A
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US2216795A
Cited
US2372879A
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US2392617A
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GB584462A
Cited
US2477399A
Cited
US2636278A
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FR993109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |