US2586833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core enveloper
Assignee: KOHLER SYSTEM Co
•
Filing: 1945-05-21
•
Granted: 1952-02-26
•
Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 John B Kohler
- 👤 Maurice J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; B; B65; B65H; B65H19/00; B65H19/22; B65H19/2207; B65H19/2223; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2315; B65H2408/23155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1248542A
Cited
US2261417A
Cited
US2332371A
Cited
US2357976A
Cited
US2361264A
Cited
US2361265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |