US2638986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable punching machine
Assignee: General Binding Corp
•
Filing: 1947-08-29
•
Granted: 1953-05-19
•
Expires: 1967-08-29
Abstract
No abstract record available.
Inventors
- 👤 Emmer Charles Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:38
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/217; Y10T83/2172; Y10T83/748; Y10T83/7593; Y10T83/7647; Y10T83/7653; Y10T83/766; Y10T83/869; Y10T83/8742; Y10T83/8743; Y10T83/8776; Y10T83/8785; Y10T83/8786; Y10T83/8821; Y10T83/8841; Y10T83/885; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9425; Y10T83/9428; Y10T83/943; Y10T83/9457
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |