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Patent US3548161A successfully refreshed from Google Patents.
US3548161A
Expired / Lapsed
US
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Vehicle parking time and fee computing system
Assignee: SPX Technologies Inc
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Filing: 1967-01-05
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Granted: 1970-12-15
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Expires: 1987-01-05
Abstract
No abstract record available.
Inventors
- 👤 Peter D Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:22
CPC Classifications
G; G06; G06Q; G06Q30/00; G06Q30/04; G07; G07B; G07B15/00; G07B15/02; G07B15/04; G07F; G07F17/00; G07F17/14; G07F17/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |