US3409916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oval swimming pool
Assignee: Bilnor Corp
•
Filing: 1965-06-23
•
Granted: 1968-11-12
•
Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Billig Jules
- 👤 Schleeweiss Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:22
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0018; E04H4/14; E04H2004/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1521554A
Cited
US1786613A
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US2595633A
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GB767621A
Cited
US2870491A
Cited
CH396351A
Cited
US3192538A
Cited
US3225362A
Cited
US3233251A
Cited
US3256532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |