US2564029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut and bolt construction
Assignee: Individual
•
Filing: 1947-04-11
•
Granted: 1951-08-14
•
Expires: 1967-04-11
Abstract
No abstract record available.
Inventors
- 👤 Peterson Dana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:52
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B35/044; F16B35/047; F16B33/00; F16B37/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |