Patent US3658067A successfully refreshed from Google Patents.
US3543007A
Expired / Lapsed
US
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Automatic car identification system
Assignee: Westinghouse Air Brake Co
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Filing: 1962-10-10
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Granted: 1970-11-24
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Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 Emil F Brinker
- 👤 Walter W Sanville
- 👤 Thomas J Blocher Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:02
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/02; B61L25/04; B61L25/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3117754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |