US3259707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical door signal
Assignee: Individual
•
Filing: 1965-01-06
•
Granted: 1966-07-05
•
Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 Iii Henry Eickhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:07
CPC Classifications
E; E05; E05B; E05B45/00; E05B45/06; E05B45/08; E05B45/12; E05B55/00; E05B55/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1047105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |