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US2663127A
Expired / Lapsed
US
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Abradant supplying means
Assignee: Bausch and Lomb Inc
•
Filing: 1952-09-13
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Granted: 1953-12-22
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Expires: 1972-09-13
Abstract
No abstract record available.
Inventors
- 👤 John J Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:05
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/02; B24B57/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2083773A
Cited
US1037851A
Cited
US1063434A
Cited
US1619344A
Cited
US1800743A
Cited
DE668226C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |