Patent US2263905A successfully refreshed from Google Patents.
US2263905A
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Treatment of machine elements to facilitate breaking in
Assignee: Standard Oil Company of California
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Filing: 1939-05-02
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Granted: 1941-11-25
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Expires: 1959-05-02
Abstract
No abstract record available.
Inventors
- 👤 Alvah L Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:50
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/041; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16H55/00; F16H55/02; F16H55/06; F16C2223/00; F16C2223/02; F16C2223/06; F16C2223/30; F16C2223/42; F16C2223/70; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12722; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T74/00; Y10T74/19; Y10T74/1987
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) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |