US2658691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ply stock magazine
Assignee: National Rubber Machinery Co
•
Filing: 1950-09-27
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Granted: 1953-11-10
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Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Mallory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/0016; B29D30/06; B29D30/08; B29D30/20; B29D30/30; B29D2030/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |