Patent US5409396A successfully refreshed from Google Patents.
Patent US2612086A successfully refreshed from Google Patents.
Patent US3728750A successfully refreshed from Google Patents.
Patent US3111098A successfully refreshed from Google Patents.
US3111098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator charging door
Assignee: FIRE ENGINEERS Inc
•
Filing: 1961-09-05
•
Granted: 1963-11-19
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Russell M Peterson
- 👤 Stanley B Reierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:58
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/44; F23G5/442; F23G5/444; F23M; F23M7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
IN A CHARGING DOOR APPARATUS FOR AN INCINERATOR, AN UPPER AND A LOWER FEED DOOR SECTION, AN UPPER AND A LOWER FIRE DOOR SECTION, MEANS FOR SLIDABLY MOUNTING SAID FEED DOOR SECTIONS AND SAID FIRE DOOR SECTIONS IN SPACED RELATION, SLEEVE MEANS CONNECTING SAID MOUNTING MEANS, LEVER MEANS FOR SLIDABLY OPERATING SAID FEED DOOR SECTIONS AND SAID FIRE DOOR SECTIONS SIMULTANEOUSLY.
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |