Patent US2781454A successfully refreshed from Google Patents.
US3315044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-channel time and sequence electrical control apparatus
Assignee: Process Units Halifax Ltd
•
Filing: 1963-10-01
•
Granted: 1967-04-18
•
Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Newsome Leslie
- 👤 Margaret H Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:33
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/02; H01H43/04; H01H43/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MULTI-CHANNEL TIME AND SEQUENCE ELECTRICAL CONTROL APPARATUS COMPRISING A MULTI-BANKED ELECTROMAGNETICALLY STEPPED SEQUENTIALLY SWITCHING MEANS, ONE BANK OF CONTACTS THEREOF OPERATING AS A TIME CONTROL FOR A SEQUENCE OF OPERATIONS WHICH ARE INITIATED AND CONTROLLED BY A FURTHER BANK THEREOF; A CASING WITHIN WHICH SAID SWITCHING MEANS IS MOUNTED; A PANEL LOCATED IN SAID CASING; SPRING TERMINALS DISPOSED ON SAID PANEL AND ELECTRICAL CONDUCTOR MEANS CONNECTING EACH OF SAID SPRING TERMINALS TO SAID SWITCHING MEANS; A PROGRAM CARD LOCATED BETWEEN SAID PANEL AND SAID CASING AND HAVING ELECTRICAL CONTACTS ENGAGING SAID SPRING TERMINALS, SAID PROGRAM CARD PROVIDING INSTRUCTIONS FOR THE TIME AND SEQUENCE OPERATIONS A SPINDLE CARRYING SAID PANEL; AND ECCENTRIC BUSHINGS IN WHICH SAID SPINDLE IS JOURNALLED AND WHICH, WHEN ROTATED, CLAMP SAID PROGRAM CARD BETWEEN SAID PANEL AND SAID CASING.
Claim 2
Dependent Claim
133 words
A MULTI-CHANNEL TIME AND SEQUENCE ELECTRICAL CONTROL APPARATUS COMPRISING A MULTI-BANKED ELECTROMAGNETICALLY STEPPED SEQUENTIALLY SWITCHING MEANS, ONE BANK OF CONTACTS THEREOF OPERATING AS A TIME CONTROL FOR A SEQUENCE OF OPERATIONS WHICH ARE INITIATED AND CONTROLLED BY A FURTHER BANK THEREOF; A CASING WITHIN WHICH SAID SWITCHING MEANS IS MOUNTED; A PANEL LOCATED IN SAID CASING; SPRING TERMINALS DISPOSED ON SAID PANEL AND ELECTRICAL CONDUCTOR MEANS CONNECTING EACH OF SAID SPRING TERMINALS TO SAID SWITCHING MEANS; A PROGRAM CARD LOCATED BETWEEN SAID PANEL AND SAID CASING AND HAVING ELECTRICAL CONTACTS ENGAGING SAID SPRING TERMINALS, SAID PROGRAM CARD PROVIDING INSTRUCTIONS FOR THE TIME AND SEQUENCE OPERATIONS A SPINDLE CARRYING SAID PANEL; AND ECCENTRIC BUSHINGS IN WHICH SAID SPINDLE IS JOURNALLED AND WHICH, WHEN ROTATED, CLAMP SAID PROGRAM CARD BETWEEN SAID PANEL AND SAID CASING.
References Cited (Backward Citations)
US1927556A
Cited
US2272411A
Cited
US2830759A
Cited
US2822980A
Cited
US3148251A
Cited
US3198897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |