Patent US2573587A successfully refreshed from Google Patents.
US2573587A
Expired / Lapsed
US
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Vehicle parking system
Assignee: EDWARD D FRYER
•
Filing: 1947-07-17
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Granted: 1951-10-30
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Expires: 1967-07-17
Abstract
No abstract record available.
Inventors
- 👤 John T Mcgraw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:15
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US488838A
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US1747765A
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US1704342A
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US1843793A
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US2139597A
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US2150628A
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US2238573A
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US2242891A
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US2242892A
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US2408762A
Cited
US2493875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |