US3245237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door positioner-bolt
Assignee: Adams Rite Manufacturing Co
•
Filing: 1964-01-20
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Granted: 1966-04-12
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Charles L Eads
- 👤 Richard W Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:26
CPC Classifications
E; E05; E05C; E05C7/00; E05C7/04; E05C9/00; E05C9/18; E05C9/1825; E05C9/1875; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/0859; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DOOR POSITIONER-BOLT, COMPRISING: (A) A FIXED CASING; (B) A BOLT OPERATOR SUPPORTED IN SAID CASING FOR MOVEMENTS RESPECTIVELY TO BOLT EXTENDED AND BOLT RETRACTED POSITIONS; (C) A PAIR OF BOLT MEMBERS SUPPORTED ON PIVOTS FIXED TO SAID CASING FOR SWINGING MOVEMENTS IN ADJACENT PLANES OF MOVEMENT TO A FOLDED OVERLAPPED RETRACTED POSITION IN THE CASING, AND TO AN UNFOLDED EXTENDED POSITION PROJECTING BEYOND SAID CASING; (D) A CONNECTION BETWEEN SAID BOLT OPERATOR AND SAID PAIR OF BOLT MEMBERS OPERABLE TO SIMULTANEOUSLY MOVE SAID BOLT MEMBERS IN OPPOSITE DIRECTIONS; AND (E) MEANS RELEASABLY RETAINING SAID BOLT MEMBERS AGAINST MOVEMENT FROM THEIR EXTENDED POSITION BY THE APPLICATION OF AN EXTERNAL FORCE THEREAGAINST, BUT RELEASING THE MEMBERS FOR MOVEMENT TO A RETRACTED POSITION WHEN SUCH FORCE EXCEEDS A PREDETERMINED AMOUNT.
Claim 2
Dependent Claim
128 words
A DOOR POSITIONER-BOLT, COMPRISING: (A) A FIXED CASING; (B) A BOLT OPERATOR SUPPORTED IN SAID CASING FOR MOVEMENTS RESPECTIVELY TO BOLT EXTENDED AND BOLT RETRACTED POSITIONS; (C) A PAIR OF BOLT MEMBERS SUPPORTED ON PIVOTS FIXED TO SAID CASING FOR SWINGING MOVEMENTS IN ADJACENT PLANES OF MOVEMENT TO A FOLDED OVERLAPPED RETRACTED POSITION IN THE CASING, AND TO AN UNFOLDED EXTENDED POSITION PROJECTING BEYOND SAID CASING; (D) A CONNECTION BETWEEN SAID BOLT OPERATOR AND SAID PAIR OF BOLT MEMBERS OPERABLE TO SIMULTANEOUSLY MOVE SAID BOLT MEMBERS IN OPPOSITE DIRECTIONS; AND (E) MEANS RELEASABLY RETAINING SAID BOLT MEMBERS AGAINST MOVEMENT FROM THEIR EXTENDED POSITION BY THE APPLICATION OF AN EXTERNAL FORCE THEREAGAINST, BUT RELEASING THE MEMBERS FOR MOVEMENT TO A RETRACTED POSITION WHEN SUCH FORCE EXCEEDS A PREDETERMINED AMOUNT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |