US2780878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web treating apparatus
Assignee: Industrial Ovens Inc
•
Filing: 1955-10-03
•
Granted: 1957-02-12
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Frank W Sanborn
- 👤 Alexander V Alexeff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:17
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/02; G03D15/022; B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29D; B29D7/00; D; D21; D21F; D21F5/00; F; F26; F26B; F26B13/00; F26B13/10; B29C71/00; B29L; B29L2007/00; B29L2007/008; B65; B65H; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/517
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |