US3486275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread grinding means with automatic control
Assignee: Optomechanisms Inc
•
Filing: 1966-12-19
•
Granted: 1969-12-30
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Anwar K Chitayat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:43
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/50; B; B24; B24B; B24B19/00; B24B19/02; B24B19/022; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/182; G05B19/186; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37275; G05B2219/42; G05B2219/42268; G05B2219/45; G05B2219/45161; G05B2219/45214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1275218A
Cited
US2806293A
Cited
US2829471A
Cited
US2829442A
Cited
US3382761A
Cited
US3264788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |