Gun barrel
Abstract
Abstract 1. IN A GUN BARREL OF THE TYPE HAVING A CHAMBER FOR RECEIVING A PROJECTILE HAVING A BODY PORTION AND AN ENLARGED SOMEWHAT CONICAL BASE, LANDS AND GROOVES IN THE GUN BARREL EXTENDING FROM SAID CHAMBER FOR RECEIVING SAID ENLARGED BASE TO THE MUZZLE OF SAID GUN BARREL, AND THE GROOVES BEING TAPERED IN WIDTH FROM A MAXIMUM WIDTH AT SAID CHAMBER FOR SAID CONICAL BASE TO A MINIMUM WIDTH ADJACENT SAID MUZZLE WHEREBY SAID ENLARGED BASE OF A PROJECTILE MAY BE FORMED INTO UPSTANDING FINS AS SAID PROJECTILE IS MOVED THROUGH SAID GUM BARREL TOWARD THE NUZZLE, THE COMBINATION THEREWITH OF THE IMPROVEMENT TO REDUCE BALLOTING OR WOBBLE OF THE PROJECTILE IN THE GUN BARREL AND ENHANCE ACCURACY IN ITS FLIGHT AFTER LEAVING THE GUN BARREL, SAID IMPROVEMENT INCLUDING THE SAID BODY PORTION BEING CYLINDRICAL IN FRONT OF SAID FINS AND SAID LANDS EXTENDING INWARDLY TRANSVERSELY OF THE GUN TO CONTACT AND GUIDE THE CYLINDRICAL BODY PORTION OF A PROJECTILE DURING SUBSTANTIALLY ITS ENTIRE MOVEMENT WITHIN THE GUN BARREL.
Inventors
- 👤 C Walton Musser
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |