US3456355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave dryer for drying the glue line in paper forms
Assignee: Canadian Patents and Development Ltd
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Filing: 1967-11-22
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Granted: 1969-07-22
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Expires: 1987-11-22
Abstract
No abstract record available.
Inventors
- 👤 William A Cumming
- 👤 William J Bleackley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:54
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/007; B; B31; B31F; B31F5/00; B31F5/04; F26B3/00; F26B3/32; F26B3/34; F26B3/347; B31B; B31B50/00; B31B50/74; B31B50/741; B31B70/00; B31B70/74; B31B70/76
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) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |