US3485769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking device
Assignee: Mittelhauser and Walter
•
Filing: 1967-09-14
•
Granted: 1969-12-23
•
Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Erwin E Pakula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:51
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/06; A23; A23B; A23B4/00; A23B4/044; A23B4/052; A23B4/0523
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |