US3259715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locally biased reed switches
Assignee: AT&T Inc
•
Filing: 1964-07-22
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Granted: 1966-07-05
•
Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Harold N Wagar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:05
CPC Classifications
H; H01; H01H; H01H53/00; H01H53/02; H01H51/00; H01H51/28; H01H51/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN AN ELECTROMAGNETIC SWITCHING DEVICE, THE COMBINATION COMPRISING: A TIPPED PAIR OF ELECTRICALLY CONDUCTING MAGNETIC CONTACTS DISPOSED WITH THEIR ITPS IN OVERLAPPING RELATION, ONE OF SAID CONTACTS COMPRISING MEANS FOR CONDUCTING CURRENT IN A LOOP INCLUDING THE OVERLAPPING TAP OF SAID MAGNETIC CONTACT AND FOR CONDUCTING CURRENT BETWEEN SAID PAIR OF MAGNETIC CONTACTS.
Claim 2
Dependent Claim
53 words
IN AN ELECTROMAGNETIC SWITCHING DEVICE, THE COMBINATION COMPRISING: A TIPPED PAIR OF ELECTRICALLY CONDUCTING MAGNETIC CONTACTS DISPOSED WITH THEIR ITPS IN OVERLAPPING RELATION, ONE OF SAID CONTACTS COMPRISING MEANS FOR CONDUCTING CURRENT IN A LOOP INCLUDING THE OVERLAPPING TAP OF SAID MAGNETIC CONTACT AND FOR CONDUCTING CURRENT BETWEEN SAID PAIR OF MAGNETIC CONTACTS.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |