US2623746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding apparatus
Assignee: Sun Chemical Corp
•
Filing: 1949-04-04
•
Granted: 1952-12-30
•
Expires: 1969-04-04
Abstract
No abstract record available.
Inventors
- 👤 Harold W Gegenheimer
- 👤 Carl O Siebke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:45
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/02; B65H5/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641288A
Cited
US757667A
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US1616076A
Cited
US1877931A
Cited
US1971875A
Cited
US2286084A
Cited
US2248004A
Cited
US2546072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |