US2587535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic bubble forming device
Assignee: Individual
•
Filing: 1948-10-13
•
Granted: 1952-02-26
•
Expires: 1968-10-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:17
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US294351A
Cited
US710814A
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US1031526A
Cited
GB191301547A
Cited
US1232202A
Cited
US1429656A
Cited
FR624979A
Cited
GB329233A
Cited
US2315242A
Cited
US2393039A
Cited
US2518627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |