US3082968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End of strand control mechanism
Assignee: AT&T Inc
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Filing: 1961-07-25
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Granted: 1963-03-26
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Lester O Reichelt
- 👤 John R Weigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:59
CPC Classifications
D; D07; D07B; D07B7/00; D07B7/02; D07B7/08; D03; D03D; D03D51/00; D03D51/18; D03D51/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A DEVICE FOR INDICATING THE CONDITION OF A SUPPLY OF STRAND COMPRISING: A REEL MOUNTED FOR ROTATION ABOUT ITS AXIS AND HAVING A CYLINDRICAL DRUM ON WHICH THE SUPPLY OF STRAND IS WOUND, SAID DRUM HAVING A FIRST PAIR OF APERTURES IN CIRCUMFERENTIALLY SPACED RELATION TO EACH OTHER AND HAVING A SECOND PAIR OF APERTURES IN CIRCUMFERENTIALLY SPACED RELATION TO EACH OTHER AND IN LONGITUDINALLY SPACED RELATION TO SAID FIRST PAIR OF APERTURES; MEANS FOR PROJECTING LIGHT BEAMS ALONG PREDETERMINED PATHS FOR PASSAGE THROUGH SAID FIRST PAIR OF APERTURES AND THROUGH SAID SECOND PAIR OF APERTURES WHEN SAID APERTURES ARE UNCOVERED; A PAIR OF LIGHT RESPONSIVE ELEMENTS MOUNTED IN THE PATHS OF THE LIGHT BEAMS PASSING THROUGH SAID FIRST AND SAID SECOND PAIRS OF APERTURES RESPECTIVELY; AND INDICATING MEANS CONNECTED TO SAID LIGHT RESPONSIVE ELEMENTS AND OPERABLE IN RESPONSE TO THE PROJECTION OF A LIGHT BEAM ONTO EITHER OF SAID LIGHT RESPONSIVE ELEMENTS.
Claim 2
Independent Claim
153 words
A DEVICE FOR INDICATING THE CONDITION OF A SUPPLY OF STRAND COMPRISING: A REEL MOUNTED FOR ROTATION ABOUT ITS AXIS AND HAVING A CYLINDRICAL DRUM ON WHICH THE SUPPLY OF STRAND IS WOUND, SAID DRUM HAVING A FIRST PAIR OF APERTURES IN CIRCUMFERENTIALLY SPACED RELATION TO EACH OTHER AND HAVING A SECOND PAIR OF APERTURES IN CIRCUMFERENTIALLY SPACED RELATION TO EACH OTHER AND IN LONGITUDINALLY SPACED RELATION TO SAID FIRST PAIR OF APERTURES; MEANS FOR PROJECTING LIGHT BEAMS ALONG PREDETERMINED PATHS FOR PASSAGE THROUGH SAID FIRST PAIR OF APERTURES AND THROUGH SAID SECOND PAIR OF APERTURES WHEN SAID APERTURES ARE UNCOVERED; A PAIR OF LIGHT RESPONSIVE ELEMENTS MOUNTED IN THE PATHS OF THE LIGHT BEAMS PASSING THROUGH SAID FIRST AND SAID SECOND PAIRS OF APERTURES RESPECTIVELY; AND INDICATING MEANS CONNECTED TO SAID LIGHT RESPONSIVE ELEMENTS AND OPERABLE IN RESPONSE TO THE PROJECTION OF A LIGHT BEAM ONTO EITHER OF SAID LIGHT RESPONSIVE ELEMENTS.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |