US3528259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cleaning and supporting rack
Assignee: Airco Inc
•
Filing: 1967-09-18
•
Granted: 1970-09-15
•
Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 Stanley Saal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:24
CPC Classifications
C; C23; C23G; C23G3/00; F; F25; F25D; F25D3/00; F25D3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1235027A
Cited
FR513599A
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US1608591A
Cited
US1617096A
Cited
FR616324A
Cited
US1737938A
Cited
US2940458A
Cited
US3298188A
Cited
US3320964A
Cited
US3402568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |