US2932066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making spectacle temples
Assignee: Welsh Manufacturing Co
•
Filing: 1958-04-03
•
Granted: 1960-04-12
•
Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lindblom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:51
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/14; G02C5/146; B; B29; B29D; B29D12/00; B29D12/02; G02C11/00; G02C11/12; G02C5/18; G02C7/00; G02C7/16; Y; Y10; Y10T; Y10T29/00; Y10T29/31; Y10T29/49; Y10T29/49762; Y10T408/00; Y10T408/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1459778A
Cited
US1337330A
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US1649790A
Cited
US1527237A
Cited
US1656402A
Cited
US2281129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |