Patent US2317911A successfully refreshed from Google Patents.
US2317911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber structure
Assignee: EIDP Inc
•
Filing: 1941-06-25
•
Granted: 1943-04-27
•
Expires: 1961-06-25
Abstract
No abstract record available.
Inventors
- 👤 Hoff George Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/0042; D; D01; D01F; D01F6/00; D01F6/58; D01F6/60; D02; D02G; D02G3/00; D02G3/44; D02G3/48; H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01G; H01G4/00; H01G4/002; H01G4/224; H01J; H01J5/00; H01J5/32; H01J5/40; H01J5/42; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/16; H01J2893/00; H01J2893/0033; H01J2893/0034; Y; Y10; Y10S; Y10S273/00; Y10S273/06; Y10S57/00; Y10S57/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-04-26 | 1946-10-26 | 1947-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-26 | 1950-10-26 | 1951-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-26 | 1954-10-26 | 1955-04-27 | $7700.00 | Window Closed / Lapsed |