US2761254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for finishing surfaces having shapes which vary along their lengths
Assignee: Individual
•
Filing: 1951-12-12
•
Granted: 1956-09-04
•
Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jameson Joseph Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/16; B24B21/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US230663A
Cited
US236475A
Cited
US552066A
Cited
US880663A
Cited
US900249A
Cited
US1082670A
Cited
US1019287A
Cited
US1144347A
Cited
US1150155A
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US1841411A
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US1954035A
Cited
US2123269A
Cited
US2312028A
Cited
US2359488A
Cited
US2453972A
Cited
US2376847A
Cited
US2575656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |