US2720343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Watchmakers' oiler
Assignee: Individual
•
Filing: 1950-07-07
•
Granted: 1955-10-11
•
Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 James H Ross
- 👤 James H Carmack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:47
CPC Classifications
F; F16; F16N; F16N3/00; F16N3/02; F16N3/04; F16N3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US11612A
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US565480A
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US620066A
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US925794A
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US1230916A
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US1393978A
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US2051572A
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US2211595A
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CH247767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |