US2889089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic coupling structures and drain
Assignee: Coleman Co Inc
•
Filing: 1956-03-16
•
Granted: 1959-06-02
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Herrick Wallace
- 👤 Mel E Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:42
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/115; F16L37/00; F16L37/008; F16L37/02; F16L37/025; F16L37/04; F16L55/11; F16L55/1141; Y; Y10; Y10S; Y10S285/00; Y10S285/921; Y10S29/00; Y10S29/034; Y10S63/00; Y10S63/03; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US980355A
Cited
US1892788A
Cited
US1867430A
Cited
US2690861A
Cited
US2751131A
Cited
US2748984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |