US3397703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe with replaceable corncob inner bowl
Assignee: MISSOURI MEERSCHAUM CO
•
Filing: 1966-07-29
•
Granted: 1968-08-20
•
Expires: 1986-07-29
Abstract
No abstract record available.
Inventors
- 👤 Carl J Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:23
CPC Classifications
A; A24; A24F; A24F5/00; A24F5/06; A24F5/08; A24F1/00; A24F1/02; A24F1/22; A24F1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE369921C
Cited
US914498A
Cited
FR556705A
Cited
US1703729A
Cited
US1978393A
Cited
US1828149A
Cited
US2138322A
Cited
US2363144A
Cited
US3292639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |