US3504081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants
Assignee: Technical Processing Inc
•
Filing: 1967-09-13
•
Granted: 1970-03-31
•
Expires: 1987-09-13
Abstract
No abstract record available.
Inventors
- 👤 Erwin Aron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:17
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; C; C10; C10M; C10M3/00; C11; C11D; C11D3/00; C11D3/43; B29K; B29K2021/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |