Patent US2005615A successfully refreshed from Google Patents.
US3284082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pin detection bridge circuit with resonating detection leg and reactive diagonal elements
Assignee: Brunswick Corp
•
Filing: 1963-06-24
•
Granted: 1966-11-08
•
Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Isenberg Sampson
- 👤 Albert E Shaw
- 👤 Robert J Moon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/04; A63D2005/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PIN DETECTION SYSTEM FOR USE IN CONJUNCTION WITH A BOWLING ALLEY HAVING A PIN SPOT COMPRISING: A REACTIVE ELEMENT LOCATED AT SAID PIN SPOT; A PIN HAVING A CONSTRUCTION ADAPTED TO AFFECT THE REACTIVE ELEMENT WHEN IN POSITION ON SAID PIN SPOT; AN ALTERNATING CURRENT BRIDGE CIRCUIT INCLUDING SAID REACTIVE ELEMENT IN ONE LEG THEREOF AND HAVING BALANCED AND UNBALANCED OPERATING CONDITIONS; A DETECTION SYSTEM COUPLED ACROSS ONE DIAGONAL OF SAID BRIDGE CIRCUIT; A SOURCE OF ALTERNATING CURRENT SIGNAL COUPLED ACROSS THE OTHER DIAGONAL OF SAID BRIDGE CIRCUIT; AND A REACTIVE DEVICE COUPLED ACROSS SAID DETECTION SYSTEM AND RESONATING WITH SAID REACTIVE ELEMENT WHEN SAID BRIDGE CIRCUIT IS IN THE UNBALANCED CONDITION.
Claim 2
Dependent Claim
113 words
A PIN DETECTION SYSTEM FOR USE IN CONJUNCTION WITH A BOWLING ALLEY HAVING A PIN SPOT COMPRISING: A REACTIVE ELEMENT LOCATED AT SAID PIN SPOT; A PIN HAVING A CONSTRUCTION ADAPTED TO AFFECT THE REACTIVE ELEMENT WHEN IN POSITION ON SAID PIN SPOT; AN ALTERNATING CURRENT BRIDGE CIRCUIT INCLUDING SAID REACTIVE ELEMENT IN ONE LEG THEREOF AND HAVING BALANCED AND UNBALANCED OPERATING CONDITIONS; A DETECTION SYSTEM COUPLED ACROSS ONE DIAGONAL OF SAID BRIDGE CIRCUIT; A SOURCE OF ALTERNATING CURRENT SIGNAL COUPLED ACROSS THE OTHER DIAGONAL OF SAID BRIDGE CIRCUIT; AND A REACTIVE DEVICE COUPLED ACROSS SAID DETECTION SYSTEM AND RESONATING WITH SAID REACTIVE ELEMENT WHEN SAID BRIDGE CIRCUIT IS IN THE UNBALANCED CONDITION.
References Cited (Backward Citations)
US1942575A
Cited
US1870181A
Cited
US2819447A
Cited
US2980424A
Cited
US3011785A
Cited
US3093375A
Cited
US3099447A
Cited
US3142984A
Cited
CH366228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |