US3505699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of cleaning type or other material
Assignee: JOHN W TRUMBULL
•
Filing: 1968-01-22
•
Granted: 1970-04-14
•
Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 John W Trumbull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:41
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1705998A
Cited
US1995685A
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US2191704A
Cited
US2258547A
Cited
US2800215A
Cited
US3103029A
Cited
US3177512A
Cited
US3336616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |