US3260812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic safety edge for power operated doors
Assignee: MILLER NORMAN K
•
Filing: 1964-01-31
•
Granted: 1966-07-12
•
Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Norman K Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:33
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/24; E; E05; E05F; E05F15/00; E05F15/40; E05F15/42; E05F15/47; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |