Patent US2912710A successfully refreshed from Google Patents.
US2912710A
Expired / Lapsed
US
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Replaceable mop heads
Assignee: Individual
•
Filing: 1955-09-08
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Granted: 1959-11-17
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Expires: 1975-09-08
Abstract
No abstract record available.
Inventors
- 👤 Peter S Vosbikian
- 👤 Thomas S Vosbikian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:05
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA466474A
Cited
US1862404A
Cited
US2683887A
Cited
GB697400A
Cited
US2730744A
Cited
US2774092A
Cited
BE525157A
Cited
US2717406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |