Patent US5031934A successfully refreshed from Google Patents.
Patent US1371289A successfully refreshed from Google Patents.
US1371289A
Expired / Lapsed
US
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Force-feed lubricator
Assignee: Individual
•
Filing: 1917-03-08
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Granted: 1921-03-15
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Expires: 1937-03-08
Abstract
No abstract record available.
Inventors
- 👤 Wood Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:16
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/10; F16N13/12
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) | 1924-03-14 | 1924-09-13 | 1925-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-14 | 1928-09-13 | 1929-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-14 | 1932-09-13 | 1933-03-15 | $7700.00 | Window Closed / Lapsed |