US2482061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1943-05-24
•
Granted: 1949-09-13
•
Expires: 1963-05-24
Abstract
No abstract record available.
Inventors
- 👤 Hamlin Marston Lovell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:03
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/02; G04C3/021; G04C3/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US205808A
Cited
GB190800919A
Cited
US1043917A
Cited
GB160204A
Cited
US1743231A
Cited
US1564803A
Cited
GB233828A
Cited
US2033899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |