US2422841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: JAMES N JOHNSON
•
Filing: 1944-12-11
•
Granted: 1947-06-24
•
Expires: 1964-12-11
Abstract
No abstract record available.
Inventors
- 👤 Mcclain Marvin Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0347; G09F3/0358; F; F16; F16B; F16B41/00; F16B41/005; Y; Y10; Y10T; Y10T292/00; Y10T292/48; Y10T292/513; Y10T292/528; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/485
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US77953A
Cited
US204226A
Cited
US319400A
Cited
US431051A
Cited
US1467000A
Cited
US780810A
Cited
US1867689A
Cited
US2301611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |