Patent US2587749A successfully refreshed from Google Patents.
US2587749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper punch
Assignee: Individual
•
Filing: 1948-04-06
•
Granted: 1952-03-04
•
Expires: 1968-04-06
Abstract
No abstract record available.
Inventors
- 👤 William H Misson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:01
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; B26D; B26D7/00; B26D7/01; B26D7/015; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8841
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US337139A
Cited
GB190515031A
Cited
US1582465A
Cited
US1561723A
Cited
US2028848A
Cited
US2001161A
Cited
US2200672A
Cited
US2149268A
Cited
US2260223A
Cited
US2327646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |