US3021647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Honing machine
Assignee: Societe des Lunetiers Cottet Poichet Tagnon and Cie
•
Filing: 1960-04-07
•
Granted: 1962-02-20
•
Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 Maitenaz Bernard Cretin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:50
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1639012A
Cited
US2087514A
Cited
US2352146A
Cited
US2392478A
Cited
US2715803A
Cited
US2880555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |