US3014346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for raising and lowering a platform
Assignee: Jersey Production Research Co
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Filing: 1957-09-10
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Granted: 1961-12-26
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Expires: 1977-09-10
Abstract
No abstract record available.
Inventors
- 👤 Merwyn C Small
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:46
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/021; E02B17/04; E02B17/08; E02B17/0809; E02B17/0818; E02B17/0836; E02B17/0872; E02B2017/0056; E02B2017/006; E02B2017/0073; E02B2017/0082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |