US3130073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing molybdenum wire with a carbon coating
Assignee: US Philips Corp
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Filing: 1961-03-21
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Granted: 1964-04-21
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Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 Linden Petrus Cornelis Van Der
- 👤 Werf Pieter Van Der
- 👤 Dijksterhuis Popko Reinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:34
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/065; C; C23; C23C; C23C16/00; C23C16/22; C23C16/26; C23C16/44; C23C16/54; C23C16/545; H01B3/00; H01B3/02; H01B3/10; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; H01J2893/0023; Y; Y10; Y10S; Y10S118/00; Y10S118/22; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/292; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF COATING A MOLYBDENUM WIRE WITH CARBON COMPRISING THE STEP OF HEATING THE MOLYBDENUM WIRE IN AN ATMOSPHERE CONSISTING ESSENTIALLY OF HYDROGEN AND CHLOROFORM TO A TEMPERATURE NOT EXCEEDING 1000* C. AND AT WHICH THE CHLOROFORM DECOMPOSES FOR A PERIOD OF TIME DURING WHICH A COATING OF CARBON ON THE MOLYBDENUM WIRE NOT EXCEEDING TWO MICRONS IN THICKNESS IS FORMED.
Claim 2
Independent Claim
62 words
A METHOD OF COATING A MOLYBDENUM WIRE WITH CARBON COMPRISING THE STEP OF HEATING THE MOLYBDENUM WIRE IN AN ATMOSPHERE CONSISTING ESSENTIALLY OF HYDROGEN AND CHLOROFORM TO A TEMPERATURE NOT EXCEEDING 1000* C. AND AT WHICH THE CHLOROFORM DECOMPOSES FOR A PERIOD OF TIME DURING WHICH A COATING OF CARBON ON THE MOLYBDENUM WIRE NOT EXCEEDING TWO MICRONS IN THICKNESS IS FORMED.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |