US2749816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper fastening device
Assignee: Individual
•
Filing: 1954-03-15
•
Granted: 1956-06-12
•
Expires: 1974-03-15
Abstract
No abstract record available.
Inventors
- 👤 Howard J Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
B; B31; B31F; B31F5/00; B31F5/02; B31F5/027; Y; Y10; Y10T; Y10T29/00; Y10T29/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US254532A
Cited
US1306920A
Cited
US1447000A
Cited
US917739A
Cited
US1173119A
Cited
US1987176A
Cited
US2479028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |