Patent US3487599A successfully refreshed from Google Patents.
US3487599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reservoir with yieldable walls
Assignee: Twellose Industrie Plastics NV
•
Filing: 1968-07-12
•
Granted: 1970-01-06
•
Expires: 1988-07-12
Abstract
No abstract record available.
Inventors
- 👤 Wilhelmus T M Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:39
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0075; E04H4/0087
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US901040A
Cited
US2200636A
Cited
GB520399A
Cited
US2864098A
Cited
US2910759A
Cited
US3180057A
Cited
US3064273A
Cited
US3226935A
Cited
US3239975A
Cited
US3195312A
Cited
US3316721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |