US3396500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool construction
Assignee: POLYNESIAN POOLS Ltd
•
Filing: 1966-02-03
•
Granted: 1968-08-13
•
Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jay A Lankheet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
E; E04; E04H; E04H4/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA616608A
Cited
US3124905A
Cited
US2728702A
Cited
US3015191A
Cited
US3064273A
Cited
US3093935A
Cited
US3313073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |