Patent US2898129A successfully refreshed from Google Patents.
US2898129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device for floor drains with removable clamps
Assignee: Individual
•
Filing: 1956-05-23
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Granted: 1959-08-04
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Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Lulu E Sisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:12
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0407; E03F5/0409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US390615A
Cited
US483227A
Cited
US1261254A
Cited
US1601498A
Cited
US1809413A
Cited
US1918509A
Cited
US2091927A
Cited
US2716533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |