Patent US2615447A successfully refreshed from Google Patents.
Patent US3409954A successfully refreshed from Google Patents.
US3409954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube holder
Assignee: Individual
•
Filing: 1967-05-24
•
Granted: 1968-11-12
•
Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Schneider Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:56
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US358928A
Cited
US363396A
Cited
US832317A
Cited
US1283446A
Cited
US1707754A
Cited
US2081797A
Cited
US2608433A
Cited
US2977145A
Cited
US3122802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |