US2877385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric system
Assignee: Honeywell Inc
•
Filing: 1957-08-21
•
Granted: 1959-03-10
•
Expires: 1977-08-21
Abstract
No abstract record available.
Inventors
- 👤 Kingsley C Rock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:16
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2495301A
Cited
US2262819A
Cited
US2347165A
Cited
US2447832A
Cited
US2675515A
Cited
US2703376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |