US3384350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically-operated device for manipulating heavy loads
Assignee: DW Zimmerman Manufacturing Inc
•
Filing: 1966-09-22
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Granted: 1968-05-21
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Edgar R Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:52
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0028; B66; B66D; B66D1/00; B66D1/02; B66D1/08; B66D3/00; B66D3/18; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0133; B66D2700/02; B66D2700/026; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918; Y10T137/6932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |