US2534945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-06-12
•
Granted: 1950-12-19
•
Expires: 1967-06-12
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:43
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/005; A; A45; A45C; A45C15/00; A45C15/06; F21V; F21V17/00; F21V17/10; F21V17/16; F21V17/162; F21V21/00; F21V21/08; F21V21/088; F21V21/0885; F21V7/00; F21V7/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321026A
Cited
CH75109A
Cited
US2092355A
Cited
FR814563A
Cited
US2206865A
Cited
US2272040A
Cited
US2304387A
Cited
US2400974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |