US1678879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fitting for tubular switchboards
Assignee: Westinghouse Electric Corp
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Filing: 1925-10-23
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Granted: 1928-07-31
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Expires: 1945-10-23
Abstract
No abstract record available.
Inventors
- 👤 Howard A Selah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:31
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/01; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3958; Y10T24/44; Y10T24/44966; Y10T24/44974; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342
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) | 1931-07-31 | 1932-01-30 | 1932-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-31 | 1936-01-30 | 1936-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-31 | 1940-01-30 | 1940-07-31 | $7700.00 | Window Closed / Lapsed |