US2887759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of constructing swimming pools
Assignee: Individual
•
Filing: 1955-06-28
•
Granted: 1959-05-26
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl A Brownell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:33
CPC Classifications
E; E04; E04H; E04H4/00; Y; Y10; Y10S; Y10S249/00; Y10S249/03; Y10S4/00; Y10S4/09; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1372856A
Cited
US1963405A
Cited
US2333315A
Cited
US2376414A
Cited
US2382171A
Cited
US2674775A
Cited
US2617764A
Cited
US2624931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |