US3295840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tower packing
Assignee: AMERICAN SURFPAC Corp A CORP OF PA
•
Filing: 1962-06-27
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Granted: 1967-01-03
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Harold J Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:14
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30246; B01J2219/30249; B01J2219/30253; B01J2219/304; B01J2219/30466; Y; Y10; Y10S; Y10S261/00; Y10S261/72; Y10T; Y10T428/00; Y10T428/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997022A
Cited
US2375336A
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US2549189A
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US2591497A
Cited
US2633657A
Cited
US3086899A
Cited
US3022614A
Cited
US3011602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |