Patent US1700799A successfully refreshed from Google Patents.
US1700799A
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Assignee: AT&T Inc
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Filing: 1925-10-07
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Granted: 1929-02-05
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Expires: 1945-10-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Inglis
- 👤 Lee G Bostwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:41
CPC Classifications
G; G01; G01D; G01D11/00; G01D11/24; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5367; Y10T70/554; Y10T70/5544; Y10T70/5549; Y10T70/5553; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7847; Y10T70/7853
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) | 1932-02-05 | 1932-08-06 | 1933-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-05 | 1936-08-06 | 1937-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-05 | 1940-08-06 | 1941-02-05 | $7700.00 | Window Closed / Lapsed |