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US2961810A
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Method of and apparatus for combining units to form a package
Assignee: STRUCTURAL CLAY PRODUCTS RES F
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Filing: 1957-06-19
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Granted: 1960-11-29
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Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Paul V Johnson
- 👤 Robert B Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:36
CPC Classifications
B; B65; B65B; B65B27/00; B65B27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1200244A
Cited
US1654706A
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US2119956A
Cited
US2658614A
Cited
US2790546A
Cited
US2778491A
Cited
US2786565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |