US3377056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying apparatus
Assignee: Svenska Flaktfabriken AB
•
Filing: 1966-09-20
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Granted: 1968-04-09
•
Expires: 1986-09-20
Abstract
No abstract record available.
Inventors
- 👤 Boye Ingar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:05
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/145; D; D21; D21F; D21F5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268986A
Cited
US2218282A
Cited
US2297314A
Cited
US2268988A
Cited
US2473629A
Cited
US2471802A
Cited
US2604313A
Cited
US2731732A
Cited
US2985210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |