US2999148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable intensity dial illuminator
Assignee: IND GLASS CORP
•
Filing: 1958-08-21
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Granted: 1961-09-05
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Kay Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:15
CPC Classifications
B; B60; B60Q; B60Q3/00; B60Q3/10; B60Q3/16; B60Q3/14; B60Q3/60; B60Q3/62; B60Q3/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696550A
Cited
US2784304A
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US2806132A
Cited
US2846970A
Cited
US2874269A
Cited
US2847654A
Cited
US2821800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |