Patent US4497536A successfully refreshed from Google Patents.
Patent US3086804A successfully refreshed from Google Patents.
US3086804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction stay device for windows, doors and the like
Assignee: Individual
•
Filing: 1958-09-29
•
Granted: 1963-04-23
•
Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Lewin Gunnar Erik Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:57
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/30; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/301
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A FRICTION STAY DEVICE FOR A DOOR OR THE LIKE HAVING A FRAME COMPRISING A TUBE MOUNTED PIVOTALLY AT ONE END TO SAID FRAME, A ROD SLIDABLY MOUNTED IN SAID TUBE EXTENDING BEYOND THE OTHER END OF SAID TUBE, SAID ROD BEYOND SAID TUBE HAVING A PORTION BENT AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF SAID ROD, MEANS ON SAID FRAME SUPPORTING SAID ROD BEYOND SAID TUBE AND SAID TUBE WHEN SAID DOOR IS IN CLOSED POSITION, MEANS OPERABLE TO CLAMP SAID ROD TO SAID TUBE AND A FITTING SECURED TO SAID DOOR IN WHICH SAID PORTION IS SLIDABLY AND ROTATABLY MOUNTED
Claim 2
Dependent Claim
103 words
A FRICTION STAY DEVICE FOR A DOOR OR THE LIKE HAVING A FRAME COMPRISING A TUBE MOUNTED PIVOTALLY AT ONE END TO SAID FRAME, A ROD SLIDABLY MOUNTED IN SAID TUBE EXTENDING BEYOND THE OTHER END OF SAID TUBE, SAID ROD BEYOND SAID TUBE HAVING A PORTION BENT AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF SAID ROD, MEANS ON SAID FRAME SUPPORTING SAID ROD BEYOND SAID TUBE AND SAID TUBE WHEN SAID DOOR IS IN CLOSED POSITION, MEANS OPERABLE TO CLAMP SAID ROD TO SAID TUBE AND A FITTING SECURED TO SAID DOOR IN WHICH SAID PORTION IS SLIDABLY AND ROTATABLY MOUNTED
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |