US3059485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical door opening and closing mechanism
Assignee: Individual
•
Filing: 1959-12-14
•
Granted: 1962-10-23
•
Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Bohlman
- 👤 Ivan C Bohlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/686; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/646; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18792
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |