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US3044042A
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Apparatus for generating and employing time pulses
Assignee: Dresser Industries Inc
•
Filing: 1956-04-06
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Granted: 1962-07-10
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Expires: 1976-04-06
Abstract
No abstract record available.
Inventors
- 👤 Louis W Erath
- 👤 Paul E Madeley
- 👤 Friedrich W Hefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:35
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24; G01V1/26
Claims Analysis
Total Claims: 0
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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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |