US3170237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pinking shears
Assignee: Individual
•
Filing: 1962-12-03
•
Granted: 1965-02-23
•
Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Weidauer Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:30
CPC Classifications
B; B26; B26B; B26B13/00; B26B13/28; B26B13/06; B26B13/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
SHEARS COMPRISING CUTTING BLADES, SAID CUTTING BLADES BEING SWINGABLY MOUNTED ON A COMMON PIVOT, SAID PIVOT HAVING A HEAD ON ONE END AND A THREADED PORTION ON THE OTHER END THEREOF, SAID CUTTING BLADES BEING FREELY SWINGABLE ABOUT SAID PIVOT INDEPENDENT FROM ONE ANOTHER, ANTIFRICTION BEARING MEANS ON SAID PIVOT, SAID BEARING MEANS BEING INTERPOSED BETWEEN SAID BLADES AND BEING HOUSED IN OPPOSED RECESSES PROVIDED IN SAID BLADES, SPRING MEANS ON SAID PIVOT, SAID SPRING MEANS ABUTTING AGAINST ONE OF SAID BLADES MAINTAINING SAID BLADE IN PROPER CUTTING RELATION TO SAID OTHER BLADE, AND A NUT ON SAID THREADED PORTION, SAID NUT TIGHTENING SAID SPRING MEANS, SAID SPRING MEANS COMPRISING AT LEAST TWO SUBSTANTIALLY DISH-SHAPED SPRING WASHERS.
References Cited (Backward Citations)
US1315435A
Cited
GB190322712A
Cited
US826587A
Cited
US946441A
Cited
US981436A
Cited
US1964676A
Cited
US2685735A
Cited
GB738206A
Cited
US2741844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |