US2611835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-06-06
•
Granted: 1952-09-23
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Sr Donald P Mossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:15
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR711519A
Cited
GB357634A
Cited
US1951530A
Cited
US1958646A
Cited
US2013513A
Cited
US2184780A
Cited
US2258122A
Cited
US2411576A
Cited
US2400952A
Cited
US2497414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |