US3204277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Akzo NV
•
Filing: 1961-09-18
•
Granted: 1965-09-07
•
Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Visman Hendrik Sierik
- 👤 Kluin Gerrit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:02
CPC Classifications
A; A47; A47L; A47L17/00; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45545
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A CLEANING DEVICE COMPRISING AN ELONGATED HANDLE AND A CLEANING HEAD SUPPORTED ON ONE END OF SAID HANDLE, SAID CLEANING HEAD COMPRISING A PLURALITY OF OVERLAPPING, FLEXIBLE AND RESILIENT, SUBSTANTIALLY CIRCULAR PLATES FORMED OF AN ARTIFICIAL SPONGE MATERIAL AND A RESILENT FASTENING MEANS FORMED OF A SYNTHETIC THERMOPLASTIC MATERIAL CONNECTING SAID FLEXIBLE PLATED TO SAID SUPPORTING END OF SAID HANDLE, SAID FASTENING MEANS INCLUDING A SEPARATELY REMOVABLE RESILIENT PROJECTION MEMBER, ONE END OF WHICH DEFINES A BULBOUS KNOB AND EXTENDS THROUGH THE CENTER OF SAID FLEXIBLE PLATES TOWARD SAID SUPPORTING END OF SAID HANDLE, THE OTHER END OF SAID PROJECTION MEMBER HAVING AN ENLARGED PORTION, TO LOCALLY DEFORM AND HOLD SAID FLEXIBLE PLATES IN PRESSURE CONTACT AT THEIR CENTERS, AND A RESILIENT BASE PLATE MEMBER ATTACHED TO SAID SUPPORTING END OF SAID HANDLE AND HAVING A RECESS RECEIVING IN SNAP PRESSURE LOCKING ENGAGEMENT SAID BUL-
Claim 2
Dependent Claim
145 words
A CLEANING DEVICE COMPRISING AN ELONGATED HANDLE AND A CLEANING HEAD SUPPORTED ON ONE END OF SAID HANDLE, SAID CLEANING HEAD COMPRISING A PLURALITY OF OVERLAPPING, FLEXIBLE AND RESILIENT, SUBSTANTIALLY CIRCULAR PLATES FORMED OF AN ARTIFICIAL SPONGE MATERIAL AND A RESILENT FASTENING MEANS FORMED OF A SYNTHETIC THERMOPLASTIC MATERIAL CONNECTING SAID FLEXIBLE PLATED TO SAID SUPPORTING END OF SAID HANDLE, SAID FASTENING MEANS INCLUDING A SEPARATELY REMOVABLE RESILIENT PROJECTION MEMBER, ONE END OF WHICH DEFINES A BULBOUS KNOB AND EXTENDS THROUGH THE CENTER OF SAID FLEXIBLE PLATES TOWARD SAID SUPPORTING END OF SAID HANDLE, THE OTHER END OF SAID PROJECTION MEMBER HAVING AN ENLARGED PORTION, TO LOCALLY DEFORM AND HOLD SAID FLEXIBLE PLATES IN PRESSURE CONTACT AT THEIR CENTERS, AND A RESILIENT BASE PLATE MEMBER ATTACHED TO SAID SUPPORTING END OF SAID HANDLE AND HAVING A RECESS RECEIVING IN SNAP PRESSURE LOCKING ENGAGEMENT SAID BUL-
References Cited (Backward Citations)
BE503279A
Cited
US2732574A
Cited
US1129689A
Cited
US1382587A
Cited
US2526190A
Cited
US2656578A
Cited
US2825084A
Cited
US3061861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |