Patent US2663436A successfully refreshed from Google Patents.
US2663436A
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US
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Semiautomatic parking garage
Assignee: BOWSER ENGINEERING Co
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Filing: 1949-07-12
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Granted: 1953-12-22
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Expires: 1969-07-12
Abstract
No abstract record available.
Inventors
- 👤 Virgil C Bowser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:00
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/181; E04H6/42; E04H6/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US356650A
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US292989A
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US1330412A
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US994218A
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US1288567A
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US1340145A
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US1614905A
Cited
US1554584A
Cited
US1779998A
Cited
US2204023A
Cited
US2338582A
Cited
US2511619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |