US3499461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined pipe coupling and pipe flushing device
Assignee: Tetra Pak AB
•
Filing: 1967-07-24
•
Granted: 1970-03-10
•
Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Alex Tuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:20
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; A; A01; A01J; A01J11/00; A01J5/00; A01J5/04; A01J5/044; F; F16; F16L; F16L17/00; F16L19/00; F16L19/04; B08B2230/00; B08B2230/01; F16L2101/00; F16L2101/10; F16L2101/12; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2211212A
Cited
US2884230A
Cited
US2975799A
Cited
US3018785A
Cited
US2973780A
Cited
US3293118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |