US2604975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin box
Assignee: Individual
•
Filing: 1950-05-23
•
Granted: 1952-07-29
•
Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Hildaur L Neilsen
- 👤 Michael J Feis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:18
CPC Classifications
G; G07; G07D; G07D9/00; G07D9/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US464420A
Cited
US189956A
Cited
US202545A
Cited
US219287A
Cited
US364468A
Cited
US421984A
Cited
US451664A
Cited
DE218062C
Cited
DE255707C
Cited
GB189724009A
Cited
US776768A
Cited
US1064024A
Cited
US1433560A
Cited
US1643941A
Cited
US2302861A
Cited
US2246431A
Cited
US2378004A
Cited
US2434553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |