US2786248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent mold for making cast stud link chain
Assignee: Individual
•
Filing: 1953-07-07
•
Granted: 1957-03-26
•
Expires: 1973-07-07
Abstract
No abstract record available.
Inventors
- 👤 John S Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:08
CPC Classifications
B; B22; B22D; B22D25/00; B22D25/02; B22D25/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345732A
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US510748A
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US1314874A
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US843977A
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US1538584A
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US1920578A
Cited
GB657288A
Cited
US2672662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |