Patent US1436931A successfully refreshed from Google Patents.
US1460587A
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Assignee: Siemens Industry Inc
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Filing: 1919-02-19
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Granted: 1923-07-03
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Expires: 1939-02-19
Abstract
No abstract record available.
Inventors
- 👤 George H Isley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:16
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/08; F16K13/10; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621; Y10T137/4628
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) | 1926-07-02 | 1927-01-01 | 1927-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-02 | 1931-01-01 | 1931-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-02 | 1935-01-01 | 1935-07-03 | $7700.00 | Window Closed / Lapsed |