US3278817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for machine tool
Assignee: Bendix Corp
•
Filing: 1958-07-31
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Granted: 1966-10-11
•
Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Johnson Ewell Calvin
- 👤 Mason Avrel
- 👤 Charles A Piper
- 👤 Sung Chien-Bor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/182; G05B19/184; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A CONTROL SYSTEM INCLUDING SHAFT MEANS AND FEED MEANS HAVING AN ACTUATOR, PULSE GENERATOR MEANS OPERATED BY ROTATION OF SAID SHAFT MEANS FOR SUPPLYING PULSES IN TIMED RELATIONSHIP TO THE ROTATION OF SAID SHAFT MEANS, SAID FEED ACTUATOR BEING OPERATED BY SAID PULSE GENERATOR MEANS AT A SPEED SYNCHRONIZED WITH THAT OF SAID SHAFT MEANS.
Claim 2
Dependent Claim
56 words
IN A CONTROL SYSTEM INCLUDING SHAFT MEANS AND FEED MEANS HAVING AN ACTUATOR, PULSE GENERATOR MEANS OPERATED BY ROTATION OF SAID SHAFT MEANS FOR SUPPLYING PULSES IN TIMED RELATIONSHIP TO THE ROTATION OF SAID SHAFT MEANS, SAID FEED ACTUATOR BEING OPERATED BY SAID PULSE GENERATOR MEANS AT A SPEED SYNCHRONIZED WITH THAT OF SAID SHAFT MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |