US2308433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1941-08-13
•
Granted: 1943-01-12
•
Expires: 1961-08-13
Abstract
No abstract record available.
Inventors
- 👤 Mcloughlin Harold Fletcher
- 👤 Hill Walter Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:34
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/44; H01H50/46; H01H50/54; H01H50/546; H01H50/64; H01H50/643; H01H71/00; H01H71/02; H01H71/0207; H01H83/00; H01H83/20; H01H83/22; H01H83/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-01-11 | 1946-07-13 | 1947-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-11 | 1950-07-13 | 1951-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-11 | 1954-07-13 | 1955-01-12 | $7700.00 | Window Closed / Lapsed |