US2608749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ironer roll and pad with heat-reflecting sheet applied thereto
Assignee: Pittsburgh Waterproof Co
•
Filing: 1948-03-20
•
Granted: 1952-09-02
•
Expires: 1968-03-20
Abstract
No abstract record available.
Inventors
- 👤 Samuel A Obitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:27
CPC Classifications
D; D06; D06F; D06F83/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1417622A
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US1599203A
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US1514888A
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US1630459A
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US1773455A
Cited
US1947613A
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US2095879A
Cited
US2214824A
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US2278517A
Cited
US2460343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |