Patent US2555031A successfully refreshed from Google Patents.
US2555031A
Expired / Lapsed
US
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Container
Assignee: Davison Chemical Corp
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Filing: 1946-07-10
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Granted: 1951-05-29
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Expires: 1966-07-10
Abstract
No abstract record available.
Inventors
- 👤 Mary C Fox
- 👤 Charles C Howes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:44
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26; B65D5/00; B65D5/42; B65D5/56
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A CONTAINER FOR THE STORAGE AND SHIPPING OF PHOSPHATIC FERTILIZERS CHARACTERIZED BY THE PRESENCE OR EVOLUTION OF MATERIALS DESTRUCTIVE TO PAPER, SAID CONTAINER COMPRISING A MULTI-LAYERED BAG OF KRAFT PAPER OR THE LIKE, A STRONGLY ADHERENT COATING OF A HOMOGENEOUS MIXTURE OF LIME AND STARCH ON THE INNER SURFACE OF THE INNERMOST LAYER OF THE MULT-LAYERED BAG, SAID STARCH BONDING THE COATING TO THE PAPER AND EXTENDING THROUGH THE LIME AND FORMING A STRONG COATING PROVIDING A CONTINUOUS PROTECTIVE LAYER ADAPTED TO INTERCEPT AND NEUTRALIZE MATERIALS DESTRUCTIVE TO THE PAPER PRIOR TO CONTACT WITH THE PAPER.
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) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |