US3507076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing of ophthalmic lens
Assignee: Camelot Industries Corp
•
Filing: 1968-03-26
•
Granted: 1970-04-21
•
Expires: 1988-03-26
Abstract
No abstract record available.
Inventors
- 👤 Milo O Rudd
- 👤 Alexander M Woronoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:58
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/005; B24B13/0052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3118198A
Cited
US3152427A
Cited
US3049766A
Cited
US3192676A
Cited
US3226887A
Cited
US3237349A
Cited
US3304586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |