US2858094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible prop
Assignee: Individual
•
Filing: 1955-05-11
•
Granted: 1958-10-28
•
Expires: 1975-05-11
Abstract
No abstract record available.
Inventors
- 👤 Boise D Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:48
CPC Classifications
B; B66; B66F; B66F19/00; E; E04; E04F; E04F21/00; E04F21/18; E04F21/1805; E04F21/1833; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US270012A
Cited
DE572887C
Cited
US737713A
Cited
US1368353A
Cited
US1499755A
Cited
US1681192A
Cited
US1686079A
Cited
US1692152A
Cited
GB501554A
Cited
US2653785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |