US2690753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-cooled smoking pipe
Assignee: Individual
•
Filing: 1950-07-28
•
Granted: 1954-10-05
•
Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Donald C Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:06
CPC Classifications
A; A24; A24F; A24F1/00; A24F1/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US110594A
Cited
US214586A
Cited
US700080A
Cited
US682470A
Cited
US1229943A
Cited
US1428446A
Cited
US1892436A
Cited
US1995086A
Cited
US2274889A
Cited
US2242029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |