US2817973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device
Assignee: Honeywell Inc
•
Filing: 1954-12-22
•
Granted: 1957-12-31
•
Expires: 1974-12-22
Abstract
No abstract record available.
Inventors
- 👤 Richard B Glickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:41
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; F; F23; F23N; F23N5/00; F23N5/02; F23N5/06; F23N5/067; F23Q; F23Q9/00; F23Q9/08; F23Q9/10; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |