US3289240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry rug shampoo applicator
Assignee: Bissell Inc
•
Filing: 1964-08-05
•
Granted: 1966-12-06
•
Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Vanderveer
- 👤 Robert A Yonkers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:51
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A01; A01C; A01C15/00; A01C15/16; A47L11/32; A47L11/325; A47L11/34; A47L11/408; A47L11/4083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A DEVICE FOR SHAMPOOING RUGS AND THE LIKE: (A) A HOPPER FOR RECEIVING DRY RUG SHAMPOO MATERIAL, (B) SAID HOPPER PROVIDING A FIXED EDGE, (C) A ROTATABLE ROLLER DISPOSED INSIDE THE LOWER PORTION AND SAID HOPPER FOR SUPPORTING THE DEVICE UPON A RUG, (D) SAID ROLLER HAVING A CIRCUMFERENTIAL SURFACE SPACED SLIGHTLY FROM AND COEXTENSIVE WITH AND MOVABLE PAST SAID EDGE DURING TRANSLATION OF SAID DEVICE OVER A RUG TO FEED SHAMPOO FROM SAID HOPPER DOWNWARDLY ONTO SAID RUG, (E) AND PRESSURE RESPONSIVE MEANS TO AUTOMATICALLY INCREASE THE EFFECTIVE OPENING BETWEEN SAID FIXED EDGE AND SAID ROLLER SURFACE DURING SAID TRANSLATION IN ACCORDANCE WITH AN INCREASE IN THE DOWNWARD PRESSURE APPLIED BY THE SHAMPOO BEING FED THEREBETWEEN.
Claim 2
Dependent Claim
118 words
IN A DEVICE FOR SHAMPOOING RUGS AND THE LIKE: (A) A HOPPER FOR RECEIVING DRY RUG SHAMPOO MATERIAL, (B) SAID HOPPER PROVIDING A FIXED EDGE, (C) A ROTATABLE ROLLER DISPOSED INSIDE THE LOWER PORTION AND SAID HOPPER FOR SUPPORTING THE DEVICE UPON A RUG, (D) SAID ROLLER HAVING A CIRCUMFERENTIAL SURFACE SPACED SLIGHTLY FROM AND COEXTENSIVE WITH AND MOVABLE PAST SAID EDGE DURING TRANSLATION OF SAID DEVICE OVER A RUG TO FEED SHAMPOO FROM SAID HOPPER DOWNWARDLY ONTO SAID RUG, (E) AND PRESSURE RESPONSIVE MEANS TO AUTOMATICALLY INCREASE THE EFFECTIVE OPENING BETWEEN SAID FIXED EDGE AND SAID ROLLER SURFACE DURING SAID TRANSLATION IN ACCORDANCE WITH AN INCREASE IN THE DOWNWARD PRESSURE APPLIED BY THE SHAMPOO BEING FED THEREBETWEEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |