US3210758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetically operated indicator
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1962-06-14
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Granted: 1965-10-05
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 William D Huston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:53
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN INDICATOR COMPRISING (A) A PAIR OF COAXIALLY MOUNTED DISCS, (B) SAID DISCS BEING COMPOSED OF SIMILARLY SHAPED RADIALLY EXTENDING BLADES WHICH ARE ANGULARLY INCLINED TO A PLANE PERPENDICULAR TO THE COMMON AXIS OF SAID DISCS, AND (C) MEANS FOR PRODUCING RELATIVE ROTATION IN ONE DIRECTION BETWEEN SAID DISCS IN RESPONSE TO A SELECTED SIGNAL, SAID BLADES OF EACH DISC BEING SPACED IN APPROXIMATELY COINCIDENT PLANES RELATIVE TO EACH OTHER, WHEREBY THE BLADES OF ONE DISC APPEAR IN FRONT OF THE BLADES OF THE OTHER DISC AND (D) MEANS FOR PRODUCING RELATIVE ROTATION OF SAID ONE DISC IN THE OTHER DIRECTION UPON DISCONTINUANCE OF SAID SIGNAL SO THAT THE BLADES OF SAID ONE DISC WILL THEN BE BEHIND THE BLADES OF SAID OTHER DISC.
Claim 2
Dependent Claim
124 words
AN INDICATOR COMPRISING (A) A PAIR OF COAXIALLY MOUNTED DISCS, (B) SAID DISCS BEING COMPOSED OF SIMILARLY SHAPED RADIALLY EXTENDING BLADES WHICH ARE ANGULARLY INCLINED TO A PLANE PERPENDICULAR TO THE COMMON AXIS OF SAID DISCS, AND (C) MEANS FOR PRODUCING RELATIVE ROTATION IN ONE DIRECTION BETWEEN SAID DISCS IN RESPONSE TO A SELECTED SIGNAL, SAID BLADES OF EACH DISC BEING SPACED IN APPROXIMATELY COINCIDENT PLANES RELATIVE TO EACH OTHER, WHEREBY THE BLADES OF ONE DISC APPEAR IN FRONT OF THE BLADES OF THE OTHER DISC AND (D) MEANS FOR PRODUCING RELATIVE ROTATION OF SAID ONE DISC IN THE OTHER DIRECTION UPON DISCONTINUANCE OF SAID SIGNAL SO THAT THE BLADES OF SAID ONE DISC WILL THEN BE BEHIND THE BLADES OF SAID OTHER DISC.
References Cited (Backward Citations)
US2367299A
Cited
US3036300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |