US3234858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of constructing liquid-tight fibre containers
Assignee: Fort James Corp
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Filing: 1963-12-18
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Granted: 1966-02-15
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Rein Arnold Robert
- 👤 Schroeder George Oscar
- 👤 Shappell Richard Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/62; B65D5/02; B65D5/12; B65D5/14; B65D5/56; B65D5/563; B31; B31B; B31B2105/00; B31B2105/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF MANUFACTURING A LEAKPROOF CONTAINER COMPRISING THE STEPS OF: APPLYING A WAX IMPERMEABLE COATING TO A FIBRE CONTAINER BODY BLANK; DISCONTINUING SAID COATING ADJACENT THE ONE MARGIN OF SAID BLANK TO LEAVE SAID FIBRE EXPOSED; ERECTING SAID BODY BLANK INTO AN OPEN ENDED TUBULAR CONTAINER BODY WHEREIN SAID ONE MARGIN IS LOCATED ADJACENT THE LOWER OPEN END OF SAID BODY;
Claim 2
Independent Claim
62 words
A METHOD OF MANUFACTURING A LEAKPROOF CONTAINER COMPRISING THE STEPS OF: APPLYING A WAX IMPERMEABLE COATING TO A FIBRE CONTAINER BODY BLANK; DISCONTINUING SAID COATING ADJACENT THE ONE MARGIN OF SAID BLANK TO LEAVE SAID FIBRE EXPOSED; ERECTING SAID BODY BLANK INTO AN OPEN ENDED TUBULAR CONTAINER BODY WHEREIN SAID ONE MARGIN IS LOCATED ADJACENT THE LOWER OPEN END OF SAID BODY;
References Cited (Backward Citations)
US2757848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |