US3178773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing material
Assignee: Adamant Laboratories Pty Ltd
•
Filing: 1961-07-20
•
Granted: 1965-04-20
•
Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jan F H Custers
- 👤 Bernard W Senior
- 👤 Henry B Dyer
- 👤 Peter T Wedepohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US816271A
Cited
US2543548A
Cited
US2944289A
Cited
US2992900A
Cited
US3084388A
Cited
US2995776A
Cited
US3075245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |