US3019450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable swimming pool cover
Assignee: AMERICAN TYPESETTING Corp
•
Filing: 1958-09-29
•
Granted: 1962-02-06
•
Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Edward S Karasiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:07
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10; E04H4/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1461026A
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US1670094A
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AT139330B
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US2136042A
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US2756438A
Cited
US2844196A
Cited
US2754899A
Cited
US2958083A
Cited
US2839135A
Cited
US2898607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |