US3510903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless cleaning web
Assignee: Eastman Kodak Co
•
Filing: 1968-05-01
•
Granted: 1970-05-12
•
Expires: 1988-05-01
Abstract
No abstract record available.
Inventors
- 👤 Hans O Stoever
- 👤 Stephen F Michatek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/0005; G03G21/0041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE319208C
Cited
US2832977A
Cited
US3074086A
Cited
SU137012A1
Cited
US3298904A
Cited
US3411932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |