US2846335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for applying container sealing material
Assignee: WR Grace and Co
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Filing: 1955-04-29
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Granted: 1958-08-05
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Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Wayne I Alholm
- 👤 Sidney R Ballou
- 👤 Arthur J Lynn
- 👤 Dunbar L Shanklin
- 👤 Richard P Stokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/02; B05C5/0208; B05C5/0212; B05C5/0216; B05C13/00; B05C13/02; B05C13/025; Y; Y10; Y10S; Y10S118/00; Y10S118/03; Y10S425/00; Y10S425/809
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
THE METHOD OF PRODUCING CONTAINER CLOSURES IN WHICH A LIQUID SEALING MATERIAL IS INJECTED INTO THE CLOSURE WHILE THE CLOSURE IS POSITIONED BENEATH A DELIVERY NOZZLE WHICH INCLUDES THE STEP OF SECURING THE DESIRED POSITION AND THICKNESS OF THE SEALING MATERIAL BY REMOVING THE CLOSURE IMMEDIATELY AFTER THE SEALING MATERIAL HAS BEEN DEPOSITED THEREIN FROM ITS POSITION BENEATH THE DELIVERY NOZZLE TO A SEPARATE LOCATION AND THERE SPINNING THE CLOSURE WITH ITS CHARGE OF LIQUID SEALING MATERIAL OF SUCH A
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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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |