Patent US1699761A successfully refreshed from Google Patents.
US1699761A
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Assignee: Westinghouse Electric Corp
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Filing: 1927-05-21
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Granted: 1929-01-22
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Expires: 1947-05-21
Abstract
No abstract record available.
Inventors
- 👤 Silberstein James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:51
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; B23K35/268; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903
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) | 1932-01-22 | 1932-07-23 | 1933-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-22 | 1936-07-23 | 1937-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-22 | 1940-07-23 | 1941-01-22 | $7700.00 | Window Closed / Lapsed |