Patent US4677355A successfully refreshed from Google Patents.
Patent US3470848A successfully refreshed from Google Patents.
US3470848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web coating apparatus
Assignee: Individual
•
Filing: 1965-10-24
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Granted: 1969-10-07
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Donald F Dreher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:06
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/0005; D21H5/006; D06; D06B; D06B1/00; D06B1/08; D06B3/00; D06B3/10; D21H23/00; D21H23/78; D21H25/00; D21H25/08; D06B2700/00; D06B2700/27
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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |