US3308527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing relays
Assignee: Allen Bradley Co LLC
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Filing: 1963-10-30
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Granted: 1967-03-14
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 James N Pearse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:19
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/284; H01H51/285; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49004; Y10T29/4902; Y10T29/49073; Y10T29/49105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN THE MANUFACTURE OF A RELAY COMPRISING A PLURALITY OF SEALED SWITCHING UNITS HAVING INDIVIDUAL OPERATING CHARACTERISTICS AND A COMMON ENERGIZING COIL DEFINING A WINDOW AND WHICH COIL WHEN ENERGIZED PRODUCES A VARIABLE MAGNETIC FIELD WITHIN THE WINDOW, SAID FIELD VARYING FROM A MAXIMUM AT THE PERIPHERY OF THE WINDOW TO A MINIMUM AT THE CENTER POINT OF THE WINDOW; THE IMPROVED MANUFACTURING PROCEDURE OF INDIVIDUALLY SUBJECTING A PLURALITY OF SWITCHING UNITS OF UNKNOWN OPERATING CHARACTERISTICS TO THE MAGNETIZING FIELD OF A STANDARD COIL OF PRESELECTED DIMENSION AND COIL FLUX, SORTING SAID SWITCHING UNITS INTO GROUPS IN ACCORDANCE WITH THE AMOUNT OF COIL FLUX REQUIRED TO OPERATE THE UNITS BY SAID STANDARD
Claim 2
Dependent Claim
112 words
IN THE MANUFACTURE OF A RELAY COMPRISING A PLURALITY OF SEALED SWITCHING UNITS HAVING INDIVIDUAL OPERATING CHARACTERISTICS AND A COMMON ENERGIZING COIL DEFINING A WINDOW AND WHICH COIL WHEN ENERGIZED PRODUCES A VARIABLE MAGNETIC FIELD WITHIN THE WINDOW, SAID FIELD VARYING FROM A MAXIMUM AT THE PERIPHERY OF THE WINDOW TO A MINIMUM AT THE CENTER POINT OF THE WINDOW; THE IMPROVED MANUFACTURING PROCEDURE OF INDIVIDUALLY SUBJECTING A PLURALITY OF SWITCHING UNITS OF UNKNOWN OPERATING CHARACTERISTICS TO THE MAGNETIZING FIELD OF A STANDARD COIL OF PRESELECTED DIMENSION AND COIL FLUX, SORTING SAID SWITCHING UNITS INTO GROUPS IN ACCORDANCE WITH THE AMOUNT OF COIL FLUX REQUIRED TO OPERATE THE UNITS BY SAID STANDARD
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |