US2840248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled traverse for mechanical car parking systems
Assignee: Individual
•
Filing: 1955-05-27
•
Granted: 1958-06-24
•
Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Donald E Grove
- 👤 Carlisle F Manaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:33
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/185; E04H6/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2621811A
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US2626065A
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US2780377A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |