US3325937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated rib sight
Assignee: Olin Corp
•
Filing: 1965-08-25
•
Granted: 1967-06-20
•
Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Edward L Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:39
CPC Classifications
F; F41; F41G; F41G1/00; F41G1/42; F41G1/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF MOUNTING A VENTILATED RIB ON A FIREARM BARREL, SAID METHOD COMPRISING THE STEPS OF PROJECTION WELDING TO A GUN BARREL A PLURALITY OF LONGITUDINALLY SPACED POSTS EACH HAVING A DOVETAIL PROJECTION FORMED ON AN UPPER SURFACE THEREON, SLIDING A RIB HAVING A DOVETAIL CHANNEL FORMED IN THE BOTTOM THEREOF ONTO SAID POSTS AND INTO POSITION, FORMING A PLURALITY OF TRANSVERSE OPENINGS EACH OF WHICH EXTENDS THROUGH THE RIB AND A POST AND INSERTING A PIN THROUGH EACH OF SAID OPENINGS TO SECURELY LOCK SAID RIB AGAINST LONGITUDINAL MOVEMENT RELATIVE TO SAID POSTS.
Claim 2
Independent Claim
95 words
A METHOD OF MOUNTING A VENTILATED RIB ON A FIREARM BARREL, SAID METHOD COMPRISING THE STEPS OF PROJECTION WELDING TO A GUN BARREL A PLURALITY OF LONGITUDINALLY SPACED POSTS EACH HAVING A DOVETAIL PROJECTION FORMED ON AN UPPER SURFACE THEREON, SLIDING A RIB HAVING A DOVETAIL CHANNEL FORMED IN THE BOTTOM THEREOF ONTO SAID POSTS AND INTO POSITION, FORMING A PLURALITY OF TRANSVERSE OPENINGS EACH OF WHICH EXTENDS THROUGH THE RIB AND A POST AND INSERTING A PIN THROUGH EACH OF SAID OPENINGS TO SECURELY LOCK SAID RIB AGAINST LONGITUDINAL MOVEMENT RELATIVE TO SAID POSTS.
References Cited (Backward Citations)
US1582063A
Cited
US1485064A
Cited
US2331400A
Cited
US2411073A
Cited
US2935912A
Cited
US2693659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |