US2607441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air line lubricator for pneumatic tools
Assignee: Independent Pneumatic Tool Co
•
Filing: 1948-10-27
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Granted: 1952-08-19
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Expires: 1968-10-27
Abstract
No abstract record available.
Inventors
- 👤 Gillerstrom Hilmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:55
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/314; Y10T137/4238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751714A
Cited
US1834172A
Cited
US1907465A
Cited
US2098574A
Cited
US2304644A
Cited
US2308773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |