US3050436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of delaminating cemented glass optics or lenses
Assignee: Individual
•
Filing: 1959-10-26
•
Granted: 1962-08-21
•
Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Stepanski Bernard
- 👤 Alan L Smith
- 👤 Werthwine Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:34
CPC Classifications
C; C03; C03C; C03C23/00; Y; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/919; Y10T; Y10T156/00; Y10T156/11; Y10T156/1111; Y10T156/1116; Y10T156/1142; Y10T156/1147; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US319153A
Cited
US637444A
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US1340189A
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US2443613A
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US2548718A
Cited
US2629953A
Cited
US2843925A
Cited
US3000773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |