Patent US2785809A successfully refreshed from Google Patents.
US2785809A
Expired / Lapsed
US
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Parking system for automobiles
Assignee: PARKMASTER SYSTEMS Inc
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Filing: 1953-09-28
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Granted: 1957-03-19
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Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Royal N Riblet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:26
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/28; E04H6/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554584A
Cited
US1988619A
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US1861461A
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US2280567A
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US2303656A
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US2691448A
Cited
US2626065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |