US3417410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical dispenser
Assignee: LIEN CHEMICAL CO
•
Filing: 1967-08-31
•
Granted: 1968-12-24
•
Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 Casper J Tietema
- 👤 Donald M Rodak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:02
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/02; E03D9/03; E03D9/031
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US131422A
Cited
US521411A
Cited
US1309029A
Cited
GB189704207A
Cited
US653437A
Cited
GB189816646A
Cited
US1127207A
Cited
US1207289A
Cited
GB125273A
Cited
CH252096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |