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Patent US2739840A successfully refreshed from Google Patents.
US2739840A
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Assignee: Individual
•
Filing: 1952-05-20
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Granted: 1956-03-27
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Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Conrad A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:28
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/16; A47K10/18; A47K10/22; Y; Y10; Y10S; Y10S242/00; Y10S242/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2650773A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |