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Patent US1231733A successfully refreshed from Google Patents.
US1231733A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1917-01-15
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Granted: 1917-07-03
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Expires: 1937-01-15
Abstract
No abstract record available.
Inventors
- 👤 George W Haley
- 👤 John T Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:38
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/078; F16K11/0782; F16K11/0787; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86831
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) | 1920-07-02 | 1921-01-01 | 1921-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-07-02 | 1925-01-01 | 1925-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-07-02 | 1929-01-01 | 1929-07-03 | $7700.00 | Window Closed / Lapsed |