Patent US3529293A successfully refreshed from Google Patents.
US3529293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supervisory and control system
Assignee: Leeds and Northrup Co
•
Filing: 1967-04-10
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Granted: 1970-09-15
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Sullivan
- 👤 Ronald E Schauer
- 👤 Richard P Sanders
- 👤 Bruno A Mattedi
- 👤 Neil B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3349374A
Cited
US3444520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |