Patent US2226766A successfully refreshed from Google Patents.
US2226766A
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Apparatus for attaching binder strings
Assignee: LILLIAN RUSSELL GORDON
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Filing: 1939-11-29
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Granted: 1940-12-31
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Expires: 1959-11-29
Abstract
No abstract record available.
Inventors
- 👤 Alexander G Gordon
- 👤 Joseph T Ebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:41
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/02; Y; Y10; Y10S; Y10S493/00; Y10S493/962; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343
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) | 1943-12-31 | 1944-07-01 | 1944-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-31 | 1948-07-01 | 1948-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-31 | 1952-07-01 | 1952-12-31 | $7700.00 | Window Closed / Lapsed |