Patent US1726327A successfully refreshed from Google Patents.
US1726327A
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US
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Billet-gouging tip
Assignee: Airco Inc
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Filing: 1928-06-02
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Granted: 1929-08-27
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Expires: 1948-06-02
Abstract
No abstract record available.
Inventors
- 👤 George L Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:09
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4533
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) | 1932-08-26 | 1933-02-25 | 1933-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-26 | 1937-02-25 | 1937-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-26 | 1941-02-25 | 1941-08-27 | $7700.00 | Window Closed / Lapsed |