Patent US3355784A successfully refreshed from Google Patents.
US3355784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater for textile machinery
Assignee: Texas Instruments Inc
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Filing: 1966-01-05
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Granted: 1967-12-05
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Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Robert S Byers
- 👤 Finnegan Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:14
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0095; D; D02; D02J; D02J13/00; D02J13/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A YARN HEATER COMPRISING A SPOOL HAVING AN EXTERIOR PERIPHERAL SURFACE AND A FIRST HORSESHOE-SHAPED RECESS EXTENDING THEREIN FROM ONE END, SAID RECESS LYING ADJACENT SAID PERIPHERAL SURFACE, A HORSESHOE-SHAPED HEATER IN SAID RECESS, A POTTING COMPOUND RETAINING THE HEATER IN THE RECESS, SAID HEATER HAVING TERMINALS EXTENDING AXIALLY FROM THE RECESS, A SECOND RECESS IN THE SPOOL ADJACENT SAID EXTERIOR SURFACE, A THERMISTOR IN SAID SECOND RECESS HAVING TERMINALS EXTENDING AXIALLY FROM THE SPOOL, SAID EXTERIOR PERIPHERAL SURFACE OF SAID SPOOL BEING COMPOSED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF GRAPHITE, TUNGSTEN AND MOLYBDENUM, AND A FILM OF VAPOR-DEPOSITED COATING OF SILICON CARBIDE ON SAID PERIPHERAL SURFACE.
Claim 2
Dependent Claim
110 words
A YARN HEATER COMPRISING A SPOOL HAVING AN EXTERIOR PERIPHERAL SURFACE AND A FIRST HORSESHOE-SHAPED RECESS EXTENDING THEREIN FROM ONE END, SAID RECESS LYING ADJACENT SAID PERIPHERAL SURFACE, A HORSESHOE-SHAPED HEATER IN SAID RECESS, A POTTING COMPOUND RETAINING THE HEATER IN THE RECESS, SAID HEATER HAVING TERMINALS EXTENDING AXIALLY FROM THE RECESS, A SECOND RECESS IN THE SPOOL ADJACENT SAID EXTERIOR SURFACE, A THERMISTOR IN SAID SECOND RECESS HAVING TERMINALS EXTENDING AXIALLY FROM THE SPOOL, SAID EXTERIOR PERIPHERAL SURFACE OF SAID SPOOL BEING COMPOSED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF GRAPHITE, TUNGSTEN AND MOLYBDENUM, AND A FILM OF VAPOR-DEPOSITED COATING OF SILICON CARBIDE ON SAID PERIPHERAL SURFACE.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |