US2763257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cutting stone
Assignee: FIDELITY SERVICE Inc
•
Filing: 1952-05-23
•
Granted: 1956-09-18
•
Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 Charles T Asbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:36
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121; B28D1/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US661650A
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US1697116A
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US1730756A
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US1970302A
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US2083369A
Cited
US2174385A
Cited
US2150381A
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US2158629A
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US2480877A
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US2663137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |