US1729879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Westinghouse Electric Corp
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Filing: 1926-04-30
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Granted: 1929-10-01
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Expires: 1946-04-30
Abstract
No abstract record available.
Inventors
- 👤 Hubert K Krantz
- 👤 Harold G Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:22
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/40; Y; Y10; Y10S; Y10S248/00; Y10S248/906; Y10S292/00; Y10S292/11; Y10T; Y10T292/00; Y10T292/20; Y10T292/221; Y10T292/223
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) | 1932-09-30 | 1933-04-01 | 1933-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-30 | 1937-04-01 | 1937-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-30 | 1941-04-01 | 1941-10-01 | $7700.00 | Window Closed / Lapsed |