Patent US2536394A successfully refreshed from Google Patents.
US2536394A
Expired / Lapsed
US
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Shoulder supported light clamp
Assignee: Individual
•
Filing: 1949-08-16
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Granted: 1951-01-02
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Expires: 1969-08-16
Abstract
No abstract record available.
Inventors
- 👤 Harry C Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:33
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/08; F21V21/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543328A
Cited
US1179063A
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US1216764A
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US1252989A
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US2136855A
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US2220220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |