Patent US2423844A successfully refreshed from Google Patents.
US2423844A
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Timepiece lubricant
Assignee: Cities Service Oil Co
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Filing: 1945-10-18
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Granted: 1947-07-15
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Expires: 1965-10-18
Abstract
No abstract record available.
Inventors
- 👤 John D Morgan
- 👤 Russell E Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:11
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/08; C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/287; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/043; C10M2227/00; C10M2227/08; C10M2227/081; C10N; C10N2010/00; C10N2010/10; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |