US3244058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge loading block
Assignee: Flambeau Plastics Corp
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Filing: 1964-07-10
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Granted: 1966-04-05
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Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Harold D Hulterstrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:05
CPC Classifications
F; F42; F42B; F42B39/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A MOLDED PLASTIC CARTRIDGE LOADING BLOCK COMPRISING TWO PARALLEL PLANE SIDES, EACH SIDE DEFINING A PLURALITY OF SUBSTANTIALLY UNIFORM SQUARE CARTRIDGE HOLDING CHAMBERS, SAID CHAMBERS ON ONE SIDE BEING ALTERNATELY STAGGERED IN OPPOSED RELATIONSHIP TO THE CHAMBERS DEFINED IN SAID OTHER SIDE TO FORM UNIFORM THIN WALLS THEREBETWEEN, SAID CHAMBERS ON ONE SIDE BEING SUBSTANTIALLY OF ONE UNIFORM SIZE AND SAID CHAMBERS ON THE OTHER SIDE BEING OF A DIFFERENT SUBSTANTIALLY UNIFORM SIZE, THE CHAMBERS ON ONE SIDE HAVING AN INSCRIBED DIAMETER OF .055 INCH AND THE CHAMBERS ON THE OTHER SIDE HAVING AN INSCRIBED DIAMETER OF .472 INCH.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |