US3324899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bar check device
Assignee: Individual
•
Filing: 1965-09-13
•
Granted: 1967-06-13
•
Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred H Stagg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:40
CPC Classifications
D; D03; D03D; D03D51/00; D03D51/18; D03D51/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A WARP STOP MECHANISM FOR A MULTI-WARP THREAD LOOM COMPRISING A PLURALITY OF DETECTOR BARS HAVING AT LEAST TWO ELECTRICALLY CONDUCTIVE SURFACES ELECTRICALLY SEPARATED BY AN INSULATING SURFACE, MEANS POSITIONED ADJACENT EACH OF SAID DETECTOR BARS FOR ENGAGEMENT WITH A WARP THREAD FOR SHORT CIRCUITING SAID INSULATED SURFACE WHEN SAID WARP THREAD IS SLACK, AN ELECTRICAL INDICATING CIRCUIT INCLUDING A CIRCUIT FOR EACH OF SAID DETECTOR BARS PROVIDING AN ELECTRICAL CONDUIT CONNECTED TO EACH OF SAID ELECTRICALLY CONDUCTIVE SURFACES OF SAID DETECTOR BARS, ONE OF SAID CONDUITS INCLUDING A SIGNALLING MEANS, ONE OF SAID CONDUITS INCLUDING MEANS FOR OPERATING A SWITCH AND AN ELECTRICAL CONTROL CIRCUIT FOR STOPPING A LOOM INCLUDING A SWITCH POSITIONED IN OPERATIVE RELATION TO SAID SWITCH OPERATING MEANS.
Claim 2
Dependent Claim
122 words
A WARP STOP MECHANISM FOR A MULTI-WARP THREAD LOOM COMPRISING A PLURALITY OF DETECTOR BARS HAVING AT LEAST TWO ELECTRICALLY CONDUCTIVE SURFACES ELECTRICALLY SEPARATED BY AN INSULATING SURFACE, MEANS POSITIONED ADJACENT EACH OF SAID DETECTOR BARS FOR ENGAGEMENT WITH A WARP THREAD FOR SHORT CIRCUITING SAID INSULATED SURFACE WHEN SAID WARP THREAD IS SLACK, AN ELECTRICAL INDICATING CIRCUIT INCLUDING A CIRCUIT FOR EACH OF SAID DETECTOR BARS PROVIDING AN ELECTRICAL CONDUIT CONNECTED TO EACH OF SAID ELECTRICALLY CONDUCTIVE SURFACES OF SAID DETECTOR BARS, ONE OF SAID CONDUITS INCLUDING A SIGNALLING MEANS, ONE OF SAID CONDUITS INCLUDING MEANS FOR OPERATING A SWITCH AND AN ELECTRICAL CONTROL CIRCUIT FOR STOPPING A LOOM INCLUDING A SWITCH POSITIONED IN OPERATIVE RELATION TO SAID SWITCH OPERATING MEANS.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |