US2762172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary lapping machine
Assignee: MARINE PUMPS Inc
•
Filing: 1953-12-15
•
Granted: 1956-09-11
•
Expires: 1973-12-15
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:34
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/017; B24B37/00; B24B37/005; B24B37/11; B24B37/12; B24B37/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2405344A
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US2627144A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |