US2969188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning tank-waggons, tanks and other chambers
Assignee: LAMY D ETUDES ET DE RECH S SOL
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Filing: 1957-06-03
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Granted: 1961-01-24
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Guigues Frederic
- 👤 Bressillon Martin Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:58
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0444; B05B3/06; B05B3/066; B08; B08B; B08B9/00; B08B9/08; B08B9/093; B08B9/0936; B60; B60S; B60S3/00; B60S3/008; B61; B61C; B61C8/00; B61D; B61D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |