US2670859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile parking system
Assignee: Webb & Knapp Inc
•
Filing: 1949-07-01
•
Granted: 1954-03-02
•
Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Zeckendorf William
- 👤 Alexander H Mcphee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:31
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/22; E04H6/42; E04H6/422; Y; Y10; Y10S; Y10S294/00; Y10S294/904
Claims Analysis
Total Claims: 0
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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) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |