US3018935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film strand rollers for film processing machine
Assignee: Pako Corp
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Filing: 1960-11-04
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Granted: 1962-01-30
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Maddock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:33
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; B65G39/071; G03D3/12
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |