US2465702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for lapping part-spherical and similar surfaces
Assignee: Scophony Ltd
•
Filing: 1946-10-09
•
Granted: 1949-03-29
•
Expires: 1966-10-09
Abstract
No abstract record available.
Inventors
- 👤 Adams Albert Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:09
CPC Classifications
B; B24; B24B; B24B11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US774745A
Cited
US998101A
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US1230530A
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US1520662A
Cited
FR519375A
Cited
US1593212A
Cited
US1950785A
Cited
US2371303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |