US3278103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener applying device
Assignee: Senco Products Inc
•
Filing: 1965-04-06
•
Granted: 1966-10-11
•
Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 George C Juilfs
- 👤 Frank W Pugh
- 👤 Carl T Becht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:30
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A PNEUMATIC FASTENER APPLYING DEVICE INCLUDING A WORKING CYLINDER AND A PISTON RECIPROCABLE THEREIN IN A CYCLE INCLUDING OPPOSED WORKING AND RETURN STROKES, THE IMPROVED CONTROL STRUCTURE COMPRISING: (A) A FIRING VALVE ADAPTED TO CONTROL THE ADMISSION OF COMPRESSED FLUID INTO SAID CYLINDER; (B) MEANS FOR CONTROLLING THE INITIAL OPENING OF SAID FIRING VALVE; (C) MEANS FOR UTILIZING AT LEAST A PORTION OF THE COMPRESSED FLUID ADMITTED TO SAID CYLINDER TO EFFECT CLOSING SAID FIRING VALVE; AND (D) MEANS ACTUATED BY SAID WORKING PISTON AT SUBSTANTIALLY THE END OF ITS RETURN STROKE OPERATIVE TO CONTROL REOPENING OF SAID FIRING VALVE TO INITIATE A NEW CYCLE.
Claim 2
Dependent Claim
106 words
IN A PNEUMATIC FASTENER APPLYING DEVICE INCLUDING A WORKING CYLINDER AND A PISTON RECIPROCABLE THEREIN IN A CYCLE INCLUDING OPPOSED WORKING AND RETURN STROKES, THE IMPROVED CONTROL STRUCTURE COMPRISING: (A) A FIRING VALVE ADAPTED TO CONTROL THE ADMISSION OF COMPRESSED FLUID INTO SAID CYLINDER; (B) MEANS FOR CONTROLLING THE INITIAL OPENING OF SAID FIRING VALVE; (C) MEANS FOR UTILIZING AT LEAST A PORTION OF THE COMPRESSED FLUID ADMITTED TO SAID CYLINDER TO EFFECT CLOSING SAID FIRING VALVE; AND (D) MEANS ACTUATED BY SAID WORKING PISTON AT SUBSTANTIALLY THE END OF ITS RETURN STROKE OPERATIVE TO CONTROL REOPENING OF SAID FIRING VALVE TO INITIATE A NEW CYCLE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |