US2964246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket applying machine
Assignee: WR Grace and Co
•
Filing: 1956-04-27
•
Granted: 1960-12-13
•
Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 Alholm Wayne Ilmari
- 👤 Campbell John Rogers
- 👤 Foye Allen Bradford
- 👤 Lynn Arthur Joseph
- 👤 Shanklin Dunbar Lancaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/78; B29C70/80; B29C31/00; B29C31/04; B29C31/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US130798A
Cited
US2577238A
Cited
US1752923A
Cited
US1953311A
Cited
US2069844A
Cited
DE695582C
Cited
US2415194A
Cited
FR991641A
Cited
US2479663A
Cited
GB641414A
Cited
GB710852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |