Patent US3248754A successfully refreshed from Google Patents.
US3248754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Putty knife
Assignee: Individual
•
Filing: 1965-07-06
•
Granted: 1966-05-03
•
Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Mario Arthur De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:51
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/28; E04F21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PUTTY KNIFE ASSEMBLY COMPRISING AN ELONGATED PUTTY BLADE, A HANDLE CONNECTED TO ONE END OF SAID BLADE, A SPRING BLADE MOUNTED IN OVERLYING RELATION TO SAID PUTTY BLADE, ADAPTED TO RECEIVE A BAG OF PUTTY DISPOSED BETWEEN SAID BLADES, SAID PUTTY BLADE INCLUDING A BAG SLITTER REMOTE FROM SAID HANDLE, AND A FUNNEL SHAPED GUIDE MEMBER FOR DISCHARGING PUTTY SQUEEZED FROM THE BAG BY THE SPRING BLADE.
Claim 2
Dependent Claim
68 words
A PUTTY KNIFE ASSEMBLY COMPRISING AN ELONGATED PUTTY BLADE, A HANDLE CONNECTED TO ONE END OF SAID BLADE, A SPRING BLADE MOUNTED IN OVERLYING RELATION TO SAID PUTTY BLADE, ADAPTED TO RECEIVE A BAG OF PUTTY DISPOSED BETWEEN SAID BLADES, SAID PUTTY BLADE INCLUDING A BAG SLITTER REMOTE FROM SAID HANDLE, AND A FUNNEL SHAPED GUIDE MEMBER FOR DISCHARGING PUTTY SQUEEZED FROM THE BAG BY THE SPRING BLADE.
References Cited (Backward Citations)
US708709A
Cited
US1411651A
Cited
US2019975A
Cited
US2528911A
Cited
US2804767A
Cited
US3087654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |