US3481251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine with hydraulic boom
Assignee: Warner and Swasey Co
•
Filing: 1968-02-05
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Granted: 1969-12-02
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Expires: 1988-02-05
Abstract
No abstract record available.
Inventors
- 👤 William M Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:13
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/36; E02F3/38; E02F3/382; E02F3/42; E02F3/425; E02F9/00; E02F9/20; E02F9/22; F; F15; F15B; F15B11/00; F15B11/16; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/3057; F15B2211/30585; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; F15B2211/7053; F15B2211/71; F15B2211/7114; F15B2211/7128; F15B2211/775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2916205A
Cited
US2935852A
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US2869327A
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US3018010A
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US3170379A
Cited
US3388819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |