Patent US3230674A successfully refreshed from Google Patents.
US3230674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination burial liner and vault and method of burial
Assignee: Individual
•
Filing: 1961-05-24
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Granted: 1966-01-25
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 John R Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:22
CPC Classifications
E; E04; E04H; E04H13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US755866A
Cited
US765502A
Cited
US834204A
Cited
FR423256A
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GB213660A
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US1764134A
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US1964234A
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US1912790A
Cited
FR769330A
Cited
US2104506A
Cited
FR48301E
Cited
US2265876A
Cited
US2644997A
Cited
AT206156B
Cited
US2994415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |