Patent US1568940A successfully refreshed from Google Patents.
US1568940A
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Assignee: Individual
•
Filing: 1924-09-18
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Granted: 1926-01-05
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Expires: 1944-09-18
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Dooley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:52
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; Y; Y10; Y10S; Y10S137/00; Y10S137/906; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7919; Y10T137/7922; Y10T137/7929; Y10T137/7932; Y10T137/7933
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) | 1929-01-04 | 1929-07-06 | 1930-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-01-04 | 1933-07-06 | 1934-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-01-04 | 1937-07-06 | 1938-01-05 | $7700.00 | Window Closed / Lapsed |