Patent US2572561A successfully refreshed from Google Patents.
US2209158A
Expired / Lapsed
US
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Automatic speed control for automotive vehicles
Assignee: ZONE O TROL PIERCE Inc
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Filing: 1937-06-22
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Granted: 1940-07-23
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Expires: 1957-06-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Goldsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:25
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/0058; B60K31/02; B60K31/04; G; G01; G01P; G01P1/00; G01P1/07; G01P1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-23 | 1944-01-22 | 1944-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-23 | 1948-01-22 | 1948-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-23 | 1952-01-22 | 1952-07-23 | $7700.00 | Window Closed / Lapsed |