US2720835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated shock resistant fuse
Assignee: Individual
•
Filing: 1948-06-03
•
Granted: 1955-10-18
•
Expires: 1968-06-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Houston
- 👤 John E Urbany
- 👤 Donald K Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
F; F42; F42C; F42C5/00; F42C5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |