US2822170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator and conveyor means for light printing machines
Assignee: GAF Chemicals Corp
•
Filing: 1953-10-02
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Granted: 1958-02-04
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Expires: 1973-10-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Frantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/24; B; B65; B65H; B65H29/00; B65H29/54; G03B27/18; G03B27/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1904591A
Cited
US1968941A
Cited
US1980188A
Cited
US2292521A
Cited
US2352983A
Cited
US2375241A
Cited
US2641980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |