US2544217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowtorch
Assignee: Individual
•
Filing: 1949-04-28
•
Granted: 1951-03-06
•
Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Brody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:56
CPC Classifications
F; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401805A
Cited
GB190106912A
Cited
US764764A
Cited
US1966252A
Cited
US2455220A
Cited
US2455222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |