US2175618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape-applying machine
Assignee: Prime Manufacturing Co
•
Filing: 1938-06-16
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Granted: 1939-10-10
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Expires: 1958-06-16
Abstract
No abstract record available.
Inventors
- 👤 Andrew R Ridderstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:47
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-10-09 | 1943-04-10 | 1943-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-09 | 1947-04-10 | 1947-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-09 | 1951-04-10 | 1951-10-10 | $7700.00 | Window Closed / Lapsed |