Patent US3241005A successfully refreshed from Google Patents.
US3241005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid with enlarged plunger head
Assignee: Individual
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Filing: 1963-02-14
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Granted: 1966-03-15
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Isaac A Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:45
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A SOLENOID COMPRISING, (A) A MAGNETIC COIL HAVING A CENTRAL OPENING EXTENDING AXIALLY THEREOF, (B) A PLUNGER HAVING AN ENLARGED IN CROSS SECTION HEAD PORTION RECEIVED IN SAID COIL OPENING AND HAVING A SMALLER IN CROSS SECTION BODY PORTION, (C) MEANS IN SAID OPENING SLIDABLY EMBRACING SAID SMALLER BODY PORTION OF SAID PLUNGER FOR AXIALLY ALIGNING SAID PLUNGER DURING RECIPROCATION THEREOF, AND (D) MEANS FOR CONFINING THE STROKE OF SAID ENLARGED HEAD PORTION TO SUBSTANTIALLY THE ZONE OF THE GREATEST MAGNETIC FLUX DENSITY OF SAID SOLENOID ALONG SAID OPENING.
Claim 2
Dependent Claim
89 words
A SOLENOID COMPRISING, (A) A MAGNETIC COIL HAVING A CENTRAL OPENING EXTENDING AXIALLY THEREOF, (B) A PLUNGER HAVING AN ENLARGED IN CROSS SECTION HEAD PORTION RECEIVED IN SAID COIL OPENING AND HAVING A SMALLER IN CROSS SECTION BODY PORTION, (C) MEANS IN SAID OPENING SLIDABLY EMBRACING SAID SMALLER BODY PORTION OF SAID PLUNGER FOR AXIALLY ALIGNING SAID PLUNGER DURING RECIPROCATION THEREOF, AND (D) MEANS FOR CONFINING THE STROKE OF SAID ENLARGED HEAD PORTION TO SUBSTANTIALLY THE ZONE OF THE GREATEST MAGNETIC FLUX DENSITY OF SAID SOLENOID ALONG SAID OPENING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |