US3267789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand punch for perforating the sheets of looseleaf binders
Assignee: Individual
•
Filing: 1964-09-22
•
Granted: 1966-08-23
•
Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Brook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:37
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/8834; Y10T83/8841; Y10T83/8844
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE139704C
Cited
US1150179A
Cited
US804108A
Cited
US1129652A
Cited
US1128450A
Cited
US2152958A
Cited
US2568863A
Cited
US2562678A
Cited
US3194099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |