US3035539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form cleaning apparatus
Assignee: Economy Forms Corp
•
Filing: 1958-12-10
•
Granted: 1962-05-22
•
Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 Jennings Albert Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:43
CPC Classifications
E; E04; E04G; E04G19/00; E04G19/006; B; B28; B28B; B28B7/00; B28B7/38; B28B7/386; B28B7/388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583871A
Cited
US1289475A
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US1295762A
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US1529691A
Cited
US1610374A
Cited
US2333285A
Cited
US2358596A
Cited
US2617223A
Cited
US2828714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |