US2700870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine to assemble chain structures with pin remover for producing chains of definite lengths
Assignee: Individual
•
Filing: 1949-05-16
•
Granted: 1955-02-01
•
Expires: 1969-05-16
Abstract
No abstract record available.
Inventors
- 👤 Richard A Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:13
CPC Classifications
B; B21; B21L; B21L9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1068075A
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US1139884A
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US1256898A
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US1256944A
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US1505691A
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US1835111A
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DE452502C
Cited
GB331093A
Cited
US2146615A
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US2157289A
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US2297296A
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US2392251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |