US3155478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustment of sealed reed contacts
Assignee: AT&T Inc
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Filing: 1963-02-15
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Granted: 1964-11-03
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
- 👤 William D O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:46
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/005; Y; Y10; Y10S; Y10S65/00; Y10S65/12; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF MAKING A SWITCH HAVING REED CONTACTS SEALED IN A GLASS TUBE, SAID TUBE HAVING A LONG AXIS, COMPRISING THE STEPS OF SEALING A PLURALITY OF REED CONTACTS IN THE ENDS OF A GLASS TUBE IN OVERLAPPING RELATION TO ONE ANOTHER IN THE PLANE OF SAID LONG AXIS, CLAMPING EACH END OF THE SEALED TUBE IN A SUITABLE CLAMPING MEMBER, HEATING A PORTION OF THE TUBE INTERMEDIATE ITS ENDS UNTIL SAID PORTION BECOMES SOFTENED, AND DEFORMING SAID TUBE WHILE SAID PORTION IS SOFT BY MOVING ONE CLAMPING MEMBER WITH RESPECT TO THE OTHER A SPACED DISTANCE IN A DIRECTION PER-
Claim 2
Independent Claim
102 words
THE METHOD OF MAKING A SWITCH HAVING REED CONTACTS SEALED IN A GLASS TUBE, SAID TUBE HAVING A LONG AXIS, COMPRISING THE STEPS OF SEALING A PLURALITY OF REED CONTACTS IN THE ENDS OF A GLASS TUBE IN OVERLAPPING RELATION TO ONE ANOTHER IN THE PLANE OF SAID LONG AXIS, CLAMPING EACH END OF THE SEALED TUBE IN A SUITABLE CLAMPING MEMBER, HEATING A PORTION OF THE TUBE INTERMEDIATE ITS ENDS UNTIL SAID PORTION BECOMES SOFTENED, AND DEFORMING SAID TUBE WHILE SAID PORTION IS SOFT BY MOVING ONE CLAMPING MEMBER WITH RESPECT TO THE OTHER A SPACED DISTANCE IN A DIRECTION PER-
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |