US3486289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for erecting swimming pools
Assignee: RONALD M LAVACK
•
Filing: 1967-08-02
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Granted: 1969-12-30
•
Expires: 1987-08-02
Abstract
No abstract record available.
Inventors
- 👤 Ronald M Lavack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:40
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0018; E04H4/14; E04H2004/146; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB801950A
Cited
US3031801A
Cited
US3072921A
Cited
US3226935A
Cited
US3225362A
Cited
US3274621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |