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US2844196A
Expired / Lapsed
US
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Swimming pool protector
Assignee: Individual
•
Filing: 1954-05-03
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Granted: 1958-07-22
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 William W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:50
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)
US1238360A
Cited
US1441229A
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US1546848A
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US1722172A
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US2576613A
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US2501454A
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US2517393A
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US2580555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |