US2870982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank supporting means
Assignee: Pfaudler Permutit Inc
•
Filing: 1954-01-18
•
Granted: 1959-01-27
•
Expires: 1974-01-18
Abstract
No abstract record available.
Inventors
- 👤 Otto W Greene
- 👤 Kirvan James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:29
CPC Classifications
F; F16; F16M; F16M5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US694266A
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US824586A
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US1732829A
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US1891779A
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US2092165A
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US2117008A
Cited
US2226713A
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US2279958A
Cited
US2343597A
Cited
US2463880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |