Patent US3489043A successfully refreshed from Google Patents.
US3489043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web guiding apparatus for corrugators
Assignee: Beazer East Inc
•
Filing: 1967-10-23
•
Granted: 1970-01-13
•
Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Boyce C Dent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:46
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2628; B26D7/2635; B65; B65H; B65H23/00; B65H23/04; B65H23/28; B65H35/00; B65H35/02; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; B65H2404/00; B65H2404/60; B65H2404/63; B65H2404/631; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0207; Y10T83/0215; Y10T83/0222; Y10T83/202; Y10T83/2074; Y10T83/2083; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/465; Y10T83/4699; Y10T83/4702; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491; Y10T83/727; Y10T83/738; Y10T83/768; Y10T83/7738
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2756050A
Cited
US3307441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |