US2955282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm system
Assignee: Individual
•
Filing: 1957-09-19
•
Granted: 1960-10-04
•
Expires: 1977-09-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Boyle
- 👤 Norrbom Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:19
CPC Classifications
E; E05; E05B; E05B45/00; E05B45/06; E05B45/061; G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US408992A
Cited
US1019481A
Cited
US1022848A
Cited
US937941A
Cited
US1669564A
Cited
US1920742A
Cited
US2001812A
Cited
US2619921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |