Patent US3498557A successfully refreshed from Google Patents.
US3498557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming wound rolls of sheet material
Assignee: TH Dixon and Co Ltd
•
Filing: 1968-03-01
•
Granted: 1970-03-03
•
Expires: 1988-03-01
Abstract
No abstract record available.
Inventors
- 👤 Douglas W H Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:14
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2238; B65H19/2253; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/418; B65H2301/4181; B65H2301/41814
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |