US2810145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread lubricant applicators
Assignee: Individual
•
Filing: 1953-04-24
•
Granted: 1957-10-22
•
Expires: 1973-04-24
Abstract
No abstract record available.
Inventors
- 👤 Elwin W Forrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:28
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/006; Y; Y10; Y10S; Y10S411/00; Y10S411/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US540918A
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US596351A
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US849786A
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US1850870A
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US1963111A
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US2126424A
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US2242154A
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US2314054A
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US2570596A
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US2496381A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |