US3538615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drycleaning machine with adsorber
Assignee: Boewe Boehler and Weber KG
•
Filing: 1968-03-25
•
Granted: 1970-11-10
•
Expires: 1988-03-25
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Fuhring
- 👤 Johannes Helmut Sieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:05
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925462A
Cited
FR745679A
Cited
US2310680A
Cited
US2776092A
Cited
US3049904A
Cited
US3388567A
Cited
US3306083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |