US2880407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic swivel control
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1955-02-17
•
Granted: 1959-03-31
•
Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 D George E Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:11
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/30896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2058518A
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US2050446A
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US2050629A
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US2330427A
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US2408524A
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US2595604A
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US2631272A
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US2627119A
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |