Patent US3258552A successfully refreshed from Google Patents.
US3258552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined time-temperature switch device
Assignee: MILLER HARRIS INSTR Co
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Filing: 1963-03-04
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Granted: 1966-06-28
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 John L Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:46
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/34; G04C23/36; G04C23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A CONTROL DEVICE, A MOVABLE MEMBER, MEANS BIASING SAID MEMBER IN ONE DIRECTION, A PAWL CARRIED BY SAID MOVABLE MEMBER, A STATIONARY ABUTMENT IN THE PATH OF THE SAID PAWL, DRIVE MEANS FOR MOVING SAID MOVABLE MEMBER TO A POINT WHERE THE PAWL ENGAGES SAID STATIONARY ABUTMENT AND THEN RELEASING THE MOVABLE MEMBER SO THAT THE MOVABLE IS HELD AGAINST ITS BIAS BY THE PAWL ENGAGING SAID STATIONARY ABUTMENT, A CONTROL MEMBER, MEANS BIASING SAID CONTROL MEMBER IN THE DIRECTION OPPOSITE TO THE BIAS OF THE MOVABLE MEMBER BUT TO LESSER DEGREE, AN ABUTMENT CARRIED BY THE CONTROL MEMBER ALSO IN THE PATH OF SAID PAWL AND ENGAGED THEREBY AFTER ITS RELEASE FROM THE STATIONARY ABUTMENT, AND MEANS RELEASING THE PAWL FIRST FROM THE STATIONARY ABUTMENT AND THEN FROM THE CONTROL MEMBER ABUTMENT WHEREBY THE CONTROL MEMBER IS FIRST MOVED AGAINST ITS BIAS TO ONE POSITION AND IS THEN MOVED BY ITS BIAS TO ANOTHER POSITION.
Claim 2
Dependent Claim
157 words
IN A CONTROL DEVICE, A MOVABLE MEMBER, MEANS BIASING SAID MEMBER IN ONE DIRECTION, A PAWL CARRIED BY SAID MOVABLE MEMBER, A STATIONARY ABUTMENT IN THE PATH OF THE SAID PAWL, DRIVE MEANS FOR MOVING SAID MOVABLE MEMBER TO A POINT WHERE THE PAWL ENGAGES SAID STATIONARY ABUTMENT AND THEN RELEASING THE MOVABLE MEMBER SO THAT THE MOVABLE IS HELD AGAINST ITS BIAS BY THE PAWL ENGAGING SAID STATIONARY ABUTMENT, A CONTROL MEMBER, MEANS BIASING SAID CONTROL MEMBER IN THE DIRECTION OPPOSITE TO THE BIAS OF THE MOVABLE MEMBER BUT TO LESSER DEGREE, AN ABUTMENT CARRIED BY THE CONTROL MEMBER ALSO IN THE PATH OF SAID PAWL AND ENGAGED THEREBY AFTER ITS RELEASE FROM THE STATIONARY ABUTMENT, AND MEANS RELEASING THE PAWL FIRST FROM THE STATIONARY ABUTMENT AND THEN FROM THE CONTROL MEMBER ABUTMENT WHEREBY THE CONTROL MEMBER IS FIRST MOVED AGAINST ITS BIAS TO ONE POSITION AND IS THEN MOVED BY ITS BIAS TO ANOTHER POSITION.
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |