Patent US3511985A successfully refreshed from Google Patents.
US3511985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable beam lamp
Assignee: JOSEPH A MUSCOVITCH
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Filing: 1967-06-08
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Granted: 1970-05-12
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Expires: 1987-06-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Muscovitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:38
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/0008; F21V7/0016; F21V14/00; F21V14/04; F21V17/00; F21V17/06; F21V29/00; F21V29/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1480295A
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GB190808427A
Cited
US1427251A
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US1421944A
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US1588053A
Cited
US1638716A
Cited
US1983337A
Cited
US2109056A
Cited
US2666194A
Cited
US3392274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |