Patent US3099473A successfully refreshed from Google Patents.
US3099473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door control mechanism
Assignee: The Eastern Co
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Filing: 1961-12-05
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Granted: 1963-07-30
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Expires: 1981-12-05
Abstract
No abstract record available.
Inventors
- 👤 Jr John V Pastva
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:19
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/02; E05B83/08; E05B83/10; Y; Y10; Y10S; Y10S292/00; Y10S292/32; Y10S292/55; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1049
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN DOOR CONTROL MECHANISM FOR USE WITH A DOOR AND AN ASSOCIATED DOORFRAME; MEANS ADAPTED FOR MOUNTING ON SAID DOOR INCLUDING A ROCKABLE SHAFT AND ACTUATING MEANS EFFECTIVE TO ROCK SAID SHAFT; A KEEPER MEMBER ADAPTED FOR MOUNTING ON SAID DOORFRAME; AND A LATCH MEMBER ACTUATABLE TO AND FROM DOOR-LATCHED ENGAGEMENT WITH SAID KEEPER MEMBER BY ROCKING OF SAID SHAFT; ONE OF SAID MEMBERS COMPRISING A STEM PORTION IN A TRANSVERSE PORTION CONNECTED WITH SAID STEM PORTION IN A TRANVERSE RELATION THERETO, AND THE OTHER OF SAID MEMBERS HAVING A FORKED PORTION ENGAGEABLE BENEATH SAID TRANSVERSE PORTION IN STRADDLING RELATION TO SAID STEM PORTION; SAID TRANSVERSE PORTION BEING CONVEXLY CURVED ON THE SIDE THEREOF ENGAGEABLE BY SAID FORKED PORTION, AND SAID FORKED PORTION COMPRISING A PAIR OF ARMS OF A CONCAVELY CURVED SHAPE ON THE SIDE THEREOF ENGAGEABLE WITH SAID TRANSVERSE PORTION; SAID FORKED PORTION HAVING A RECESS EXTENDING LONGITUDINALLY THEREOF BETWEEN SAID ARMS, AND SAID STEM PORTION COMPRISING WEB MEANS ELONGATED IN THE DIRECTION OF THE LONGITUDINAL EXTEND OF SAID RECESS AND OF A TRANSVERSE THICKNESS TO BE SNUGLY RECEIVABLE IN THE RECESS.
Claim 2
Dependent Claim
184 words
IN DOOR CONTROL MECHANISM FOR USE WITH A DOOR AND AN ASSOCIATED DOORFRAME; MEANS ADAPTED FOR MOUNTING ON SAID DOOR INCLUDING A ROCKABLE SHAFT AND ACTUATING MEANS EFFECTIVE TO ROCK SAID SHAFT; A KEEPER MEMBER ADAPTED FOR MOUNTING ON SAID DOORFRAME; AND A LATCH MEMBER ACTUATABLE TO AND FROM DOOR-LATCHED ENGAGEMENT WITH SAID KEEPER MEMBER BY ROCKING OF SAID SHAFT; ONE OF SAID MEMBERS COMPRISING A STEM PORTION IN A TRANSVERSE PORTION CONNECTED WITH SAID STEM PORTION IN A TRANVERSE RELATION THERETO, AND THE OTHER OF SAID MEMBERS HAVING A FORKED PORTION ENGAGEABLE BENEATH SAID TRANSVERSE PORTION IN STRADDLING RELATION TO SAID STEM PORTION; SAID TRANSVERSE PORTION BEING CONVEXLY CURVED ON THE SIDE THEREOF ENGAGEABLE BY SAID FORKED PORTION, AND SAID FORKED PORTION COMPRISING A PAIR OF ARMS OF A CONCAVELY CURVED SHAPE ON THE SIDE THEREOF ENGAGEABLE WITH SAID TRANSVERSE PORTION; SAID FORKED PORTION HAVING A RECESS EXTENDING LONGITUDINALLY THEREOF BETWEEN SAID ARMS, AND SAID STEM PORTION COMPRISING WEB MEANS ELONGATED IN THE DIRECTION OF THE LONGITUDINAL EXTEND OF SAID RECESS AND OF A TRANSVERSE THICKNESS TO BE SNUGLY RECEIVABLE IN THE RECESS.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |