US2312925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semistiff collar and method of preparing same
Assignee: EIDP Inc
•
Filing: 1937-06-07
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Granted: 1943-03-02
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Expires: 1957-06-07
Abstract
No abstract record available.
Inventors
- 👤 Mcburney John Dorman
- 👤 Nollau Edgar Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:14
CPC Classifications
A; A41; A41B; A41B3/00; A41B3/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31859; Y10T428/3187; Y10T428/3188; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3594; Y10T442/3602; Y10T442/3667; Y10T442/3675
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) | 1946-03-01 | 1946-08-31 | 1947-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-01 | 1950-08-31 | 1951-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-01 | 1954-08-31 | 1955-03-02 | $7700.00 | Window Closed / Lapsed |