US2761201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Renewing molds
Assignee: Griffin Wheel Co Inc
•
Filing: 1952-05-02
•
Granted: 1956-09-04
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Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 Edmund Q Sylvester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:00
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06; Y; Y10; Y10S; Y10S164/00; Y10S164/14; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/49723; Y10T29/49725; Y10T29/49726; Y10T29/49826; Y10T29/49893; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1674753A
Cited
US1609708A
Cited
US1753747A
Cited
US1776145A
Cited
US2129268A
Cited
US2437626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |