Patent US1678894A successfully refreshed from Google Patents.
US1678894A
Expired / Lapsed
US
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Paper-roll-changing plant
Assignee: Wood Newspaper Machinery Corp
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Filing: 1923-03-02
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Granted: 1928-07-31
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Expires: 1943-03-02
Abstract
No abstract record available.
Inventors
- 👤 Wood Henry A Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:45
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/12; B65H19/126; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/41702; B65H2301/4171; B65H2301/4172; B65H2301/41724
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-07-31 | 1932-01-30 | 1932-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-31 | 1936-01-30 | 1936-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-31 | 1940-01-30 | 1940-07-31 | $7700.00 | Window Closed / Lapsed |