US3015470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction jack
Assignee: Individual
•
Filing: 1958-07-25
•
Granted: 1962-01-02
•
Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Roy R Patchen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:11
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/35; E04G21/163; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/49828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |