US2283504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for severing disks from webs
Assignee: Individual
•
Filing: 1939-11-16
•
Granted: 1942-05-19
•
Expires: 1959-11-16
Abstract
No abstract record available.
Inventors
- 👤 John A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:47
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/945; Y10T; Y10T83/00; Y10T83/081; Y10T83/099; Y10T83/444; Y10T83/4529; Y10T83/4587; Y10T83/4589; Y10T83/727; Y10T83/738; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/885
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) | 1945-05-18 | 1945-11-17 | 1946-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-18 | 1949-11-17 | 1950-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-18 | 1953-11-17 | 1954-05-19 | $7700.00 | Window Closed / Lapsed |