US2530429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling ball retarding device for bowling alley runways
Assignee: BRUNSWICK-BALKE-COLLENDER Co
•
Filing: 1945-03-05
•
Granted: 1950-11-21
•
Expires: 1965-03-05
Abstract
No abstract record available.
Inventors
- 👤 Hedenskoog Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:16
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/02; A63D5/023; A63D5/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287142A
Cited
US655034A
Cited
US886556A
Cited
US1042598A
Cited
US1210065A
Cited
US1543098A
Cited
US1979466A
Cited
US2236560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |