US2443198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse selector unit
Assignee: Individual
•
Filing: 1946-09-06
•
Granted: 1948-06-15
•
Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Max E Sallach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2099065A
Cited
US2272070A
Cited
US2403561A
Cited
US2400574A
Cited
US2381920A
Cited
US2409229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |