US3323602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically operated stapler, nailing apparatus or the like
Assignee: Josef Kihlberg AB
•
Filing: 1964-10-19
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Granted: 1967-06-06
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Lysell Ralph Ake Gosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:39
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/041; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PNEUMATIC DRIVING DEVICE FOR A STAPLER OR THE LIKE, COMPRISING A CYLINDER, A DRIVER PISTON RECIPROCABLY MOUNTED ON SAID CYLINDER, AN AIR RESERVOIR FOR SUPPLYING COMPRESSED AIR TO SAID CYLINDER, MEANS FORMING A CHANNEL BETWEEN SAID RESERVOIR AND THE TOP OF SAID CYLINDER ABOVE SAID PISTON, AN OUTLET FOR EXCHANGING AIR FROM SAID CYLINDER AND CONNECTED TO SAID CHANNEL, VALVE MEANS FOR ALTERNATE CONNECTION OF SAID RESERVOIR AND SAID OUTLET TO SAID CHANNEL, AND A RETURN AIR CHAMBER HAVING A FIRST PASSAGE ALWAYS OPEN TO SAID CHANNEL AND A SECOND PASSAGE ALWAYS OPEN TO THE LOWER PART OF SAID CYLINDER BELOW A PRESSURE SURFACE OF SAID PISTON, SAID FIRST PASSAGE BEING LOCATED BE-
Claim 2
Dependent Claim
114 words
A PNEUMATIC DRIVING DEVICE FOR A STAPLER OR THE LIKE, COMPRISING A CYLINDER, A DRIVER PISTON RECIPROCABLY MOUNTED ON SAID CYLINDER, AN AIR RESERVOIR FOR SUPPLYING COMPRESSED AIR TO SAID CYLINDER, MEANS FORMING A CHANNEL BETWEEN SAID RESERVOIR AND THE TOP OF SAID CYLINDER ABOVE SAID PISTON, AN OUTLET FOR EXCHANGING AIR FROM SAID CYLINDER AND CONNECTED TO SAID CHANNEL, VALVE MEANS FOR ALTERNATE CONNECTION OF SAID RESERVOIR AND SAID OUTLET TO SAID CHANNEL, AND A RETURN AIR CHAMBER HAVING A FIRST PASSAGE ALWAYS OPEN TO SAID CHANNEL AND A SECOND PASSAGE ALWAYS OPEN TO THE LOWER PART OF SAID CYLINDER BELOW A PRESSURE SURFACE OF SAID PISTON, SAID FIRST PASSAGE BEING LOCATED BE-
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |