US2541328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice-fishing heater
Assignee: Individual
•
Filing: 1949-05-19
•
Granted: 1951-02-13
•
Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 Henry O Boklep
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:07
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/0054; A; A01; A01K; A01K97/00; A01K97/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US446879A
Cited
US472128A
Cited
US593047A
Cited
US1322024A
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US653407A
Cited
US662738A
Cited
US703215A
Cited
US1114394A
Cited
CH139788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |