US3474912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy paper receiving and stacking tray
Assignee: GAF Corp
•
Filing: 1967-11-29
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Granted: 1969-10-28
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Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Paul Pekera
- 👤 James L Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:51
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/585; B; B65; B65H; B65H31/00; B65H31/02; B65H2405/00; B65H2405/10; B65H2405/11; B65H2405/111; B65H2405/1115; B65H2405/11152
Claims Analysis
Total Claims: 0
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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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |