US2604697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus for lenses, especially spectacle-glasses
Assignee: J P BRANDT AB
•
Filing: 1945-04-05
•
Granted: 1952-07-29
•
Expires: 1965-04-05
Abstract
No abstract record available.
Inventors
- 👤 Aulin Tage Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:37
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042346A
Cited
US1581883A
Cited
GB266767A
Cited
US1873526A
Cited
US1984121A
Cited
GB487611A
Cited
US2341201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |