US3426839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying cylinder
Assignee: Individual
•
Filing: 1966-12-05
•
Granted: 1969-02-11
•
Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Glen Overton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:08
CPC Classifications
F; F28; F28F; F28F17/00; F28F17/005; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/156; Y10S165/157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1189761A
Cited
US1768777A
Cited
US2599346A
Cited
US2772075A
Cited
US2885790A
Cited
US3308554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |