US1450573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet collecting and associating mechanism
Assignee: CB Cottrell and Sons Co
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Filing: 1921-11-30
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Granted: 1923-04-03
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Expires: 1941-11-30
Abstract
No abstract record available.
Inventors
- 👤 Howard M Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:22
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/50; B65H29/51
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) | 1926-04-02 | 1926-10-02 | 1927-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-04-02 | 1930-10-02 | 1931-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-04-02 | 1934-10-02 | 1935-04-03 | $7700.00 | Window Closed / Lapsed |