Patent US3157418A successfully refreshed from Google Patents.
US3157418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door fittings
Assignee: Individual
•
Filing: 1963-09-09
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Granted: 1964-11-17
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Duncan Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:00
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/50; Y; Y10; Y10S; Y10S292/00; Y10S292/15; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A DOOR PROVIDED WITH FITTINGS COMPRISING A KEEPER OR STOP SUNK INTO THE FLOOR AT A POSITION REMOTE FROM THE HINGE SIDE THEREOF, A FIXTURE IN THE FORM OF A CAM OR RAMP LOCATED AT THE HINGE SIDE OF THE DOOR, A MEMBER
Claim 2
Dependent Claim
43 words
A DOOR PROVIDED WITH FITTINGS COMPRISING A KEEPER OR STOP SUNK INTO THE FLOOR AT A POSITION REMOTE FROM THE HINGE SIDE THEREOF, A FIXTURE IN THE FORM OF A CAM OR RAMP LOCATED AT THE HINGE SIDE OF THE DOOR, A MEMBER
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |