Patent US2158971A successfully refreshed from Google Patents.
US2158971A
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US
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Assignee: ARTHUR O HURJS
•
Filing: 1938-01-19
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Granted: 1939-05-16
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Expires: 1958-01-19
Abstract
No abstract record available.
Inventors
- 👤 Glen S Stratton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:55
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/40; B65D75/42; B65D85/00; B65D85/07; B65D85/08; B65D85/10; B65D85/1036; Y; Y10; Y10S; Y10S206/00; Y10S206/82
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) | 1942-05-15 | 1942-11-14 | 1943-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-15 | 1946-11-14 | 1947-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-15 | 1950-11-14 | 1951-05-16 | $7700.00 | Window Closed / Lapsed |