Patent US3499174A successfully refreshed from Google Patents.
US3499174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable swimming pool cover
Assignee: Individual
•
Filing: 1967-12-18
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Granted: 1970-03-10
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas Francis Carey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:36
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2754900A
Cited
US2788849A
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US2754899A
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US2958083A
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US3019502A
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US2990556A
Cited
US3050743A
Cited
US3271889A
Cited
US3418667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |