US2612172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking pipe
Assignee: Individual
•
Filing: 1948-07-20
•
Granted: 1952-09-30
•
Expires: 1968-07-20
Abstract
No abstract record available.
Inventors
- 👤 Gustafson Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:48
CPC Classifications
A; A24; A24F; A24F1/00; A24F1/02; A24F1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US574956A
Cited
US1377752A
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GB189602655A
Cited
US674202A
Cited
GB190326952A
Cited
US951030A
Cited
US999120A
Cited
DE595156C
Cited
CH180138A
Cited
US2288879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |