US3537401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically controlled transportation system
Assignee: ROBERT G METZNER
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Filing: 1967-10-19
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Granted: 1970-11-03
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Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Robert G Metzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:26
CPC Classifications
B; B60; B60K; B60K1/00; B62; B62D; B62D1/00; B62D1/24; B62D1/26; B65; B65G; B65G43/00; B65G43/08; G; G05; G05D; G05D1/00; G05D1/02; G05D1/021; G05D1/0227; G05D1/0229
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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |