Patent US3231924A successfully refreshed from Google Patents.
US3231924A
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US
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Marking device
Assignee: Sanford Research Co
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Filing: 1963-12-27
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Granted: 1966-02-01
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Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Charles W Lofgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:00
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02; B43K8/04; B43K8/06; B43K23/00; B43K23/08; B43K23/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A MARKING DEVICE COMPRISING: A CONTAINER INCLUDING A BODY PORTION AND AN ELONGATED TUBULAR METAL NECK SECTION HAVING PREDETERMINED INTERNAL AND EXTERNAL DIAMETERS; A BODY OF FLUID RETAINING MATERIAL IN SAID BODY PORTION; AN ELONGATED WICK-LIKE MARKING ELEMENT HAVING PREDETERMINED MAJOR AND MINOR TRANSVERSE DIMENSIONS AND EXTENDING THROUGH SAID NECK PORTION, SAID MARKING ELEMENT HAVING AN INNER END IN ENGAGEMENT WITH SAID MARKING FLUID RETAINING MATERIAL AND AN OUTER END PROJECTING BEYOND SAID NECK SECTION, SAID NECK SECTION INCLUDING A SUBSTANTIALLY CONTINUOUS ANNULAR INTURNED FLANGE PRESENTING AN INWARDLY FACING ANNULAR TERMINAL EDGE HAVING A DIAMETER SUBSTANTIALLY LESS THAN SAID MAJOR DIMENSION AND GREATER THAN SAID MINOR DIMENSION, SAID EDGE BEING EM-
Claim 2
Dependent Claim
111 words
A MARKING DEVICE COMPRISING: A CONTAINER INCLUDING A BODY PORTION AND AN ELONGATED TUBULAR METAL NECK SECTION HAVING PREDETERMINED INTERNAL AND EXTERNAL DIAMETERS; A BODY OF FLUID RETAINING MATERIAL IN SAID BODY PORTION; AN ELONGATED WICK-LIKE MARKING ELEMENT HAVING PREDETERMINED MAJOR AND MINOR TRANSVERSE DIMENSIONS AND EXTENDING THROUGH SAID NECK PORTION, SAID MARKING ELEMENT HAVING AN INNER END IN ENGAGEMENT WITH SAID MARKING FLUID RETAINING MATERIAL AND AN OUTER END PROJECTING BEYOND SAID NECK SECTION, SAID NECK SECTION INCLUDING A SUBSTANTIALLY CONTINUOUS ANNULAR INTURNED FLANGE PRESENTING AN INWARDLY FACING ANNULAR TERMINAL EDGE HAVING A DIAMETER SUBSTANTIALLY LESS THAN SAID MAJOR DIMENSION AND GREATER THAN SAID MINOR DIMENSION, SAID EDGE BEING EM-
References Cited (Backward Citations)
US2713176A
Cited
US3089182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |