US2934087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank bleeder
Assignee: Individual
•
Filing: 1956-01-12
•
Granted: 1960-04-26
•
Expires: 1976-01-12
Abstract
No abstract record available.
Inventors
- 👤 Amos E Crow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:55
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/06; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0211; B01D17/0214; B01D21/00; B01D21/003; B01D21/0039; B01D21/0042; B01D21/10; B01D21/24; B01D21/2405; B01D21/2411; B01D21/2433; B01D21/245; B01D2221/00; B01D2221/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US548215A
Cited
US571278A
Cited
US1716544A
Cited
US2732071A
Cited
US833150A
Cited
US1054004A
Cited
US1945824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |