Patent US3034765A successfully refreshed from Google Patents.
US3034765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting devices
Assignee: Individual
•
Filing: 1957-07-24
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Granted: 1962-05-15
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Expires: 1977-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ludowici Johann Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:51
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/06; B66F7/065; B66F7/0666; B66F3/00; B66F3/22; B66F7/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588; Y10T74/20594
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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |