Patent US2118198A successfully refreshed from Google Patents.
US2118198A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1937-03-16
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Granted: 1938-05-24
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Expires: 1957-03-16
Abstract
No abstract record available.
Inventors
- 👤 Edgar F Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:19
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/02; B60J3/0204; B60J3/0208; Y; Y10; Y10S; Y10S160/00; Y10S160/03
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) | 1941-05-23 | 1941-11-22 | 1942-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-23 | 1945-11-22 | 1946-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-23 | 1949-11-22 | 1950-05-24 | $7700.00 | Window Closed / Lapsed |