US2684560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleansing molded plastic articles
Assignee: OI Glass Inc
•
Filing: 1952-01-02
•
Granted: 1954-07-27
•
Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 Robert G Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:40
CPC Classifications
A; A47; A47L; A47L15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723180A
Cited
US889560A
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US1422309A
Cited
US1445276A
Cited
US1647763A
Cited
US2163977A
Cited
US2321016A
Cited
US2427388A
Cited
US2503556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |