Patent US2981569A successfully refreshed from Google Patents.
US2981569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die set assembly
Assignee: Danly Machine Specialties Inc
•
Filing: 1956-12-12
•
Granted: 1961-04-25
•
Expires: 1976-12-12
Abstract
No abstract record available.
Inventors
- 👤 James C Danly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:38
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0683; F16C29/0685; F16C29/0688; B; B21; B21D; B21D37/00; B21D37/10; F16C2322/00; F16C2322/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1787476A
Cited
US2238302A
Cited
US2317889A
Cited
US2422774A
Cited
US2422775A
Cited
US2523358A
Cited
US2694130A
Cited
US2749987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |