US3390870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pusher for kilns and method of charging kilns
Assignee: Pullman Inc
•
Filing: 1966-06-17
•
Granted: 1968-07-02
•
Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Stephen B Yacura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:12
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/30; F27B9/38; F27B9/14; F27B9/20; F27B9/26; F27B9/262; F27B9/24; F27B2009/2492; F27D; F27D3/00; F27D3/04
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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |