US3400009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for forming gaskets for container elementse
Assignee: WR Grace and Co
•
Filing: 1965-02-02
•
Granted: 1968-09-03
•
Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 John R Mcdermott
- 👤 David O White
- 👤 Aurel W Bourque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:59
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46; B05; B05D; B05D2258/00; B05D2258/02; B05D3/00; B05D3/02; B05D3/0218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB346789A
Cited
US1967031A
Cited
FR750171A
Cited
US2553590A
Cited
US2589424A
Cited
US2561982A
Cited
US2910041A
Cited
US3015303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |