US2831676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding machine
Assignee: Individual
•
Filing: 1953-10-13
•
Granted: 1958-04-22
•
Expires: 1973-10-13
Abstract
No abstract record available.
Inventors
- 👤 Runzi Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
B; B31; B31B; B31B50/00; B31F; B31F1/00; B31F1/0003; B31F1/0006; B31F1/0009; B31F1/0019; B31B50/26; B31B50/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1587244A
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US1525969A
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US1550851A
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US1707979A
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US1770312A
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US1825247A
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GB441557A
Cited
US2058877A
Cited
US2230168A
Cited
US2224137A
Cited
US2670954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |