US3488174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of moulds of tempered glass intended for the production of optical and ophthalmic lenses of thermo-setting resins
Assignee: Individual
•
Filing: 1966-12-27
•
Granted: 1970-01-06
•
Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jean Boudet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:25
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/00009; B29D11/00038; B29D11/00125; B24; B24B; B24B13/00; B29C; B29C33/00; B29C33/38; B29D11/00932; C; C03; C03B; C03B23/00; C03B23/20; C03B23/22; C03B27/00; C03B27/04; C03B27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL67056C
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US2395700A
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US2441108A
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US3337659A
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US3150950A
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US3264079A
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US3297422A
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US3321870A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |