US2797835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading apparatus for material treating machines
Assignee: KUEHLTHAU
•
Filing: 1955-01-17
•
Granted: 1957-07-02
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Fred J Avery
- 👤 Hugo L Kuehlthau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:23
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/06; B28C7/08; B28C7/0835; B28C7/0847; B28C7/0852; B65; B65G; B65G65/00; B65G2814/00; B65G2814/03; B65G2814/0301; B65G2814/0314; B65G2814/0316; B65G2814/0317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1039688A
Cited
US1475636A
Cited
US2131771A
Cited
US2388987A
Cited
US2470340A
Cited
US2569609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |