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Patent US3263689A successfully refreshed from Google Patents.
US3263689A
Expired / Lapsed
US
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Post binder and compression mechanism therefor
Assignee: United States Tabulating Binder Corp
•
Filing: 1964-05-25
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Granted: 1966-08-02
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Robert F Lindgren
- 👤 Frank J Malcik
- 👤 Edward W Whittemore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
B; B42; B42F; B42F13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US873282A
Cited
US1434579A
Cited
US1962727A
Cited
US2012572A
Cited
US2212896A
Cited
US2615222A
Cited
US3121432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |