US3279029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of spacing electron tube elements
Assignee: RCA Corp
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Filing: 1963-12-17
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Granted: 1966-10-18
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Herman A Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:38
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J19/46; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
METHOD OF SPACING TWO ELEMENTS DURING A BRAZING OPERATION, COMPRISING: (A) INTERPOSING BETWEEN SAID ELMENTS A SPACING BODY MADE OF STRONTIUM CARBONATE DISPERSED IN AN ORGANIC BINDER, (B) THE AMOUNT OF SAID STRONTIUM CARBONATE IN SAID BODY BEING SUFFICIENT TO PRESERVE THE VOLUME OF SAID BODY SUBSTANTIALLY CONSTANT IN ITS SEVERAL FORMS OF STRONTIUM CARBONATE AND BINDER, STRONTIUM CARBONATE ALONE, AND STRONTIUM OXIDE. (C) HEATING SAID ELEMENTS, WITH SOLDER MATERIAL THEREBETWEEN, TO A BRAZING TEMPERATURE AT WHICH SAID
Claim 2
Dependent Claim
78 words
METHOD OF SPACING TWO ELEMENTS DURING A BRAZING OPERATION, COMPRISING: (A) INTERPOSING BETWEEN SAID ELMENTS A SPACING BODY MADE OF STRONTIUM CARBONATE DISPERSED IN AN ORGANIC BINDER, (B) THE AMOUNT OF SAID STRONTIUM CARBONATE IN SAID BODY BEING SUFFICIENT TO PRESERVE THE VOLUME OF SAID BODY SUBSTANTIALLY CONSTANT IN ITS SEVERAL FORMS OF STRONTIUM CARBONATE AND BINDER, STRONTIUM CARBONATE ALONE, AND STRONTIUM OXIDE. (C) HEATING SAID ELEMENTS, WITH SOLDER MATERIAL THEREBETWEEN, TO A BRAZING TEMPERATURE AT WHICH SAID
References Cited (Backward Citations)
US2413731A
Cited
US2980984A
Cited
US2990382A
Cited
US3051669A
Cited
US3081526A
Cited
US3146515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |