US2656940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic vehicle parking system
Assignee: Individual
•
Filing: 1948-12-04
•
Granted: 1953-10-27
•
Expires: 1968-12-04
Abstract
No abstract record available.
Inventors
- 👤 Sumner J Sumners
- 👤 Hugh W Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:22
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/20; E04H6/42; E04H6/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1635276A
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US1686382A
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US2028391A
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US1955959A
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US1864711A
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US1740014A
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US1803583A
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US2014351A
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US1934590A
Cited
US1879713A
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US2204023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |