US3242328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illumination device
Assignee: SCM Corp
•
Filing: 1962-03-12
•
Granted: 1966-03-22
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Narinder S Kapany
- 👤 David F Capellaro
- 👤 Ralph G Ostensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:58
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2347665A
Cited
US2480178A
Cited
US2511102A
Cited
US2646637A
Cited
US3040168A
Cited
US2995970A
Cited
US3132810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |