Patent US1401966A successfully refreshed from Google Patents.
US1401966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center-clamp plate for record matrices
Assignee: Individual
•
Filing: 1921-04-04
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Granted: 1922-01-03
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Expires: 1941-04-04
Abstract
No abstract record available.
Inventors
- 👤 Davis George Howlett
- 👤 Charles T Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:14
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/30; B29C33/305; B29C43/00; B29C43/32; B29C43/56; B29D; B29D17/00; B29D17/002; B29C33/02; B29C33/04; B29L; B29L2017/00; B29L2017/001; B29L2017/003
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) | 1925-01-02 | 1925-07-04 | 1926-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-02 | 1929-07-04 | 1930-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-02 | 1933-07-04 | 1934-01-03 | $7700.00 | Window Closed / Lapsed |